refactor(errata_abi): factor in non-arm interconnect

Workaround to help enable the kernel to query errata status using the
errata abi feature for platforms with a non-arm interconnect.

Change-Id: I47b03eaee5a0a763056ae71883fa30dfacb9b3f7
Signed-off-by: Sona Mathew <SonaRebecca.Mathew@arm.com>
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index 0916d1d..26fd68d 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -294,6 +294,9 @@
 # Check to see if Errata ABI is supported
 ERRATA_ABI_SUPPORT		:= 0
 
+# Check to enable Errata ABI for platforms with non-arm interconnect
+ERRATA_NON_ARM_INTERCONNECT	:= 0
+
 # SMCCC PCI support
 SMC_PCI_SUPPORT			:= 0