feat(stm32mp2): add common SMC runtime services

Implement the common SMC runtime services for stm32mp2 platforms.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Maxime Méré <maxime.mere@foss.st.com>
Change-Id: I214e4b2bfba439572c079bbc9ffb62bc87793ce9
diff --git a/plat/st/stm32mp2/platform.mk b/plat/st/stm32mp2/platform.mk
index 25ae593..7f2af5e 100644
--- a/plat/st/stm32mp2/platform.mk
+++ b/plat/st/stm32mp2/platform.mk
@@ -202,6 +202,12 @@
 # Generic PSCI
 BL31_SOURCES			+=	plat/common/plat_psci_common.c
 
+BL31_SOURCES			+=	plat/st/common/stm32mp_svc_setup.c			\
+					plat/st/stm32mp2/services/stm32mp2_svc_setup.c
+
+# Arm Archtecture services
+BL31_SOURCES			+=	services/arm_arch_svc/arm_arch_svc_setup.c
+
 # Compilation rules
 .PHONY: check_ddr_type
 bl2: check_ddr_type