feat(debugv8p9): add debugv8p9 files to coverity

This patch includes FEAT_Debugv8p9 files to the coverity job.

Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: Ia93e407ddf9e38213ab65f711012580261b471fe
diff --git a/script/tf-coverity/tf-cov-make b/script/tf-coverity/tf-cov-make
index 9173561..80cfb87 100755
--- a/script/tf-coverity/tf-cov-make
+++ b/script/tf-coverity/tf-cov-make
@@ -193,6 +193,9 @@
 # MPAM feature
 clean_build $fvp_common_flags ENABLE_FEAT_MPAM=1
 
+# Debugv8p9 feature
+clean_build $fvp_common_flags ENABLE_FEAT_DEBUGV8P9=1
+
 # Using GICv3.1 driver with extended PPI and SPI range
 clean_build $fvp_common_flags GIC_EXT_INTID=1