feat(arm): reuse SPM_MM specific defines for SPMC_AT_EL3

For EL3 SPMC configuration enabled platforms, allow the reuse of
SPM_MM specific definitions.

Signed-off-by: Sayanta Pattanayak <sayanta.pattanayak@arm.com>
Signed-off-by: Nishant Sharma <nishant.sharma@arm.com>
Change-Id: Ia24b97343c7b8c6b22a4d54c5bb9cee2c480241f
diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index 2fdbfb7..f71480f 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -53,7 +53,7 @@
 		PLAT_ARM_TZC_NS_DEV_ACCESS}
 #endif
 
-#if SPM_MM
+#if SPM_MM || (SPMC_AT_EL3 && SPMC_AT_EL3_SEL0_SP)
 #define ARM_TZC_REGIONS_DEF						\
 	{ARM_AP_TZC_DRAM1_BASE, ARM_EL3_TZC_DRAM1_END + ARM_L1_GPT_SIZE,\
 		TZC_REGION_S_RDWR, 0},					\