Add build config for PSA FWU support

Added a build config for PSA FWU support.
Also, added the PSA FWU support build option in the coverity script
to analyze the newly created files for FWU support.

Change-Id: I98b0fe05e7686cce45f4ff4e43b4c5d702c959e7
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/script/tf-coverity/tf-cov-make b/script/tf-coverity/tf-cov-make
index 41e0b2d..5122931 100755
--- a/script/tf-coverity/tf-cov-make
+++ b/script/tf-coverity/tf-cov-make
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 #
-# Copyright (c) 2019-2020, Arm Limited. All rights reserved.
+# Copyright (c) 2019-2021, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -163,6 +163,9 @@
 # CoT descriptors in device tree
 clean_build $fvp_common_flags ${ARM_TBB_OPTIONS} COT_DESC_IN_DTB=1 USE_ROMLIB=1
 
+# PSA FWU support
+clean_build $fvp_common_flags ${ARM_TBB_OPTIONS} ARM_GPT_SUPPORT=1 PSA_FWU_SUPPORT=1 USE_ROMLIB=1
+
 #
 # Juno platform
 # We'll use the following flags for all Juno builds.