feat: Add SME and HCX feature builds to tf-cov-make

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

Signed-off-by: John Powell <john.powell@arm.com>
Change-Id: I16a3323b26a1627e2f81246e91f226922e823c30
diff --git a/script/tf-coverity/tf-cov-make b/script/tf-coverity/tf-cov-make
index 56acbb2..d869f55 100755
--- a/script/tf-coverity/tf-cov-make
+++ b/script/tf-coverity/tf-cov-make
@@ -169,6 +169,9 @@
 # FEAT_RME
 clean_build $fvp_common_flags ENABLE_RME=1
 
+# SME and HCX features
+clean_build $fvp_common_flags ENABLE_SME_FOR_NS=1 ENABLE_FEAT_HCX=1
+
 #
 # Juno platform
 # We'll use the following flags for all Juno builds.