Version: Update for TF-M v1.3.0 release

Update TF-M version to v1.3.0 in build system, documents and runtime
log.

Change-Id: I1915ab27ac67f8a5378a00f0da6161d5cdefc9f1
Signed-off-by: David Hu <david.hu@arm.com>
diff --git a/docs/introduction/readme.rst b/docs/introduction/readme.rst
index 2629033..71b0b4e 100644
--- a/docs/introduction/readme.rst
+++ b/docs/introduction/readme.rst
@@ -193,6 +193,8 @@
 +-------------+--------------+--------------------+-------------------+
 | v1.2.0      | 2020-11-25   | 1.2.0 release      | 90c8e680          |
 +-------------+--------------+--------------------+-------------------+
+| v1.3.0      | 2021-04-07   | 1.3.0 release      | b0635d9           |
++-------------+--------------+--------------------+-------------------+
 
 Please refer to
 :ref:`docs/contributing/release_process:Release Version Scheme` for interpreting