Build: Include remote_library in tests_psa_arch

Fix missing include of remote_library in tests_psa_arch/CMakeLists.txt.
This is required for fetch_remote_library(), as both qcbor and t_cose
CMakeLists depend on it.

Signed-off-by: Meggyesi, Janos <janos.meggyesi@arm.com>
Change-Id: Ibab2a1c18f0dfba988d115150d214b21e1cbd5f9
diff --git a/lib/ext/qcbor/CMakeLists.txt b/lib/ext/qcbor/CMakeLists.txt
index 8ce4963..a064b21 100644
--- a/lib/ext/qcbor/CMakeLists.txt
+++ b/lib/ext/qcbor/CMakeLists.txt
@@ -7,9 +7,6 @@
 
 cmake_minimum_required(VERSION 3.21)
 
-include(FetchContent)
-set(FETCHCONTENT_QUIET FALSE)
-
 # Default configuration of QCBOR repository
 set(QCBOR_PATH      "DOWNLOAD"  CACHE PATH      "Path to qcbor (or DOWNLOAD to fetch automatically")
 set(QCBOR_VERSION   "v1.2"      CACHE STRING    "The version of qcbor to use")
diff --git a/tests_psa_arch/CMakeLists.txt b/tests_psa_arch/CMakeLists.txt
index d3909b4..825e11f 100644
--- a/tests_psa_arch/CMakeLists.txt
+++ b/tests_psa_arch/CMakeLists.txt
@@ -8,6 +8,7 @@
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/../cmake)
 include(toolchain_selection)
+include(remote_library)
 
 #--- SPE artifacts -------------------------------------------------------------