feat(smccc): clear scr_el3.nse in smccc_arch_feature_availability

Clear the SCR_EL3.NSE bit from the bitmask used in
SMCCC_ARCH_FEATURE_AVAILABILITY for RME.

This bit is set when FEAT_RME=1, and if not excluded, it leads to
an assertion failure due to unexpected bits being detected.

Change-Id: I399f63adc4814c4404705985b0816783e4626dda
Signed-off-by: Sona Mathew <SonaRebecca.Mathew@arm.com>
diff --git a/include/services/arm_arch_svc.h b/include/services/arm_arch_svc.h
index ea7de0e..1a0ba56 100644
--- a/include/services/arm_arch_svc.h
+++ b/include/services/arm_arch_svc.h
@@ -207,6 +207,7 @@
 	SCR_FIQ_BIT		|						\
 	SCR_IRQ_BIT		|						\
 	SCR_NS_BIT		|						\
+	SCR_NSE_BIT		|						\
 	SCR_RES1_BITS		|						\
 	SCR_FEAT_MEC		|						\
 	SCR_PLAT_IGNORED)