feat: remove patch application during RAS related tests

Currently RAS Firmware First Handling(FFH) related tests has some
patches which were applied through CI scripts.

Remove these patch application as these patches are now be part of
tf-a code under PLATFORM_TEST_RAS_FFH macro.

Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: I5f4ea9debb93a32ec6f9bec8040b67c7ad291421
diff --git a/script/tf-coverity/tf-cov-make b/script/tf-coverity/tf-cov-make
index a3f790e..e6d739e 100755
--- a/script/tf-coverity/tf-cov-make
+++ b/script/tf-coverity/tf-cov-make
@@ -148,7 +148,7 @@
 # RAS Extension Support
 clean_build $fvp_common_flags EL3_EXCEPTION_HANDLING=1 \
     FAULT_INJECTION_SUPPORT=1 HANDLE_EA_EL3_FIRST_NS=1 RAS_EXTENSION=1 \
-    SDEI_SUPPORT=1
+    SDEI_SUPPORT=1 PLATFORM_TEST_RAS_FFH=1
 
 # EA handled in EL3 first
 clean_build $fvp_common_flags HANDLE_EA_EL3_FIRST_NS=1 PLATFORM_TEST_EA_FFH=1