Rebuild PSA API spec with Sphinx 2.1.2

Generated according to the instructions in update_psa_crypto_api.sh,
using a modified docker image with Sphinx updated to 2.1.2, and the tag
psa-crypto-api-1.0.1.

This fixes user-visible warnings in html/api/keys/management.html.

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
diff --git a/docs/html/overview/intro.html b/docs/html/overview/intro.html
index e7e6c14..7e22280 100644
--- a/docs/html/overview/intro.html
+++ b/docs/html/overview/intro.html
@@ -1,26 +1,17 @@
 
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<!DOCTYPE html>
 
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
-    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <meta charset="utf-8" />
     <title>1. Introduction &#8212; PSA Crypto API 1.0.1 documentation</title>
     <link rel="stylesheet" href="../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-    <script type="text/javascript">
-      var DOCUMENTATION_OPTIONS = {
-        URL_ROOT:    '../',
-        VERSION:     '1.0.1',
-        COLLAPSE_INDEX: false,
-        FILE_SUFFIX: '.html',
-        HAS_SOURCE:  false,
-        SOURCELINK_SUFFIX: '.txt'
-      };
-    </script>
+    <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
     <script type="text/javascript" src="../_static/jquery.js"></script>
     <script type="text/javascript" src="../_static/underscore.js"></script>
     <script type="text/javascript" src="../_static/doctools.js"></script>
+    <script type="text/javascript" src="../_static/language_data.js"></script>
     <link rel="author" title="About these documents" href="../about.html" />
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -29,15 +20,17 @@
    
   <link rel="stylesheet" href="../_static/custom.css" type="text/css" />
   
+  
   <meta name="viewport" content="width=device-width, initial-scale=0.9, maximum-scale=0.9" />
 
-  </head>
-  <body>
+  </head><body>
   
 
     <div class="document">
       <div class="documentwrapper">
         <div class="bodywrapper">
+          
+
           <div class="body" role="main">
             
   <div class="section" id="introduction">
@@ -59,15 +52,15 @@
 key storage functionality.</p>
 <p>This document includes:</p>
 <ul class="simple">
-<li>A <a class="reference internal" href="goals.html#design-goals"><span class="std std-ref">rationale</span></a> for the design.</li>
-<li>A <a class="reference internal" href="functionality.html#functionality-overview"><span class="std std-ref">high-level overview of the functionality</span></a>
-provided by the interface.</li>
-<li>A <a class="reference internal" href="sample-arch.html#architectures"><span class="std std-ref">description of typical architectures</span></a> of
-implementations for this specification.</li>
-<li>General considerations <a class="reference internal" href="implementation.html#implementation-considerations"><span class="std std-ref">for implementers</span></a>
+<li><p>A <a class="reference internal" href="goals.html#design-goals"><span class="std std-ref">rationale</span></a> for the design.</p></li>
+<li><p>A <a class="reference internal" href="functionality.html#functionality-overview"><span class="std std-ref">high-level overview of the functionality</span></a>
+provided by the interface.</p></li>
+<li><p>A <a class="reference internal" href="sample-arch.html#architectures"><span class="std std-ref">description of typical architectures</span></a> of
+implementations for this specification.</p></li>
+<li><p>General considerations <a class="reference internal" href="implementation.html#implementation-considerations"><span class="std std-ref">for implementers</span></a>
 of this specification and <a class="reference internal" href="usage.html#usage-considerations"><span class="std std-ref">for applications</span></a> that
-use the interface defined in this specification.</li>
-<li>A <a class="reference internal" href="../api/library/index.html#api-reference"><span class="std std-ref">detailed definition</span></a> of the API.</li>
+use the interface defined in this specification.</p></li>
+<li><p>A <a class="reference internal" href="../api/library/index.html#api-reference"><span class="std std-ref">detailed definition</span></a> of the API.</p></li>
 </ul>
 <p>Companion documents will define <em>profiles</em> for this specification. A profile is
 a minimum mandatory subset of the interface that a compliant implementation must
@@ -76,6 +69,7 @@
 
 
           </div>
+          
         </div>
       </div>
       <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
@@ -108,13 +102,13 @@
 <li class="toctree-l1"><a class="reference internal" href="../psa_c-identifiers.html">Index of API elements</a></li>
 </ul>
 <div id="searchbox" style="display: none" role="search">
-  <h3>Quick search</h3>
+  <h3 id="searchlabel">Quick search</h3>
+    <div class="searchformwrapper">
     <form class="search" action="../search.html" method="get">
-      <div><input type="text" name="q" /></div>
-      <div><input type="submit" value="Go" /></div>
-      <input type="hidden" name="check_keywords" value="yes" />
-      <input type="hidden" name="area" value="default" />
+      <input type="text" name="q" aria-labelledby="searchlabel" />
+      <input type="submit" value="Go" />
     </form>
+    </div>
 </div>
 <script type="text/javascript">$('#searchbox').show(0);</script>
         </div>
@@ -125,8 +119,8 @@
       &copy; 2018-2020, Arm Limited or its affiliates. All rights reserved.
       
       |
-      Powered by <a href="http://sphinx-doc.org/">Sphinx 1.6.7</a>
-      &amp; <a href="https://github.com/bitprophet/alabaster">Alabaster 0.7.8</a>
+      Powered by <a href="http://sphinx-doc.org/">Sphinx 2.1.2</a>
+      &amp; <a href="https://github.com/bitprophet/alabaster">Alabaster 0.7.12</a>
       
     </div>