ci(coverity): add coverage for FEAT_SME2

This patch adds a build config for SME2 to tf-cov-make,
to ensure that the relevant code and files are scanned.

Signed-off-by: Jayanth Dodderi Chidanand <jayanthdodderi.chidanand@arm.com>
Change-Id: I98da19e1fda1e89a5845fe0497371ec8d6572573
diff --git a/script/tf-coverity/tf-cov-make b/script/tf-coverity/tf-cov-make
index 60934df..2b34065 100755
--- a/script/tf-coverity/tf-cov-make
+++ b/script/tf-coverity/tf-cov-make
@@ -191,6 +191,9 @@
 # SME and HCX features
 clean_build $fvp_common_flags ENABLE_SME_FOR_NS=1 ENABLE_FEAT_HCX=1
 
+# SME2
+clean_build $fvp_common_flags ENABLE_SME2_FOR_NS=1 ENABLE_SME_FOR_NS=1 ENABLE_FEAT_HCX=1
+
 # Architectural Feature Detection mechanism
 clean_build $fvp_common_flags FEATURE_DETECTION=1