feat(fgt2): add support for FEAT_FGT2

This patch disables trapping to EL3 when the FEAT_FGT2
specific trap registers are accessed by setting the
SCR_EL3.FGTEn2 bit

Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: I6d2b614affb9067b2bc3d7bf0ae7d169d031592a
diff --git a/Makefile b/Makefile
index cb5eb36..819d774 100644
--- a/Makefile
+++ b/Makefile
@@ -1231,6 +1231,7 @@
 	ENABLE_FEAT_DIT \
 	ENABLE_FEAT_ECV \
 	ENABLE_FEAT_FGT \
+	ENABLE_FEAT_FGT2 \
 	ENABLE_FEAT_HCX \
 	ENABLE_FEAT_MTE2 \
 	ENABLE_FEAT_PAN \
@@ -1383,6 +1384,7 @@
 	ENABLE_MPMM \
 	ENABLE_MPMM_FCONF \
 	ENABLE_FEAT_FGT \
+	ENABLE_FEAT_FGT2 \
 	ENABLE_FEAT_ECV \
 	ENABLE_FEAT_AMUv1p1 \
 	ENABLE_FEAT_SEL2 \