nxp: svp & sip smc handling

SMC call handling at EL3 due SIP and SVC calls.

Signed-off-by: rocket <rod.dorris@nxp.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: If86ee43477fc3b6116623928a3299d4e9015df8c
diff --git a/plat/nxp/common/sip_svc/sipsvc.mk b/plat/nxp/common/sip_svc/sipsvc.mk
new file mode 100644
index 0000000..c3a57de
--- /dev/null
+++ b/plat/nxp/common/sip_svc/sipsvc.mk
@@ -0,0 +1,35 @@
+#
+# Copyright 2018-2020 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+#------------------------------------------------------------------------------
+#
+# Select the SIP SVC files
+#
+# -----------------------------------------------------------------------------
+
+ifeq (${ADD_SIPSVC},)
+
+ADD_SIPSVC		:= 1
+
+PLAT_SIPSVC_PATH	:= $(PLAT_COMMON_PATH)/sip_svc
+
+SIPSVC_SOURCES		:= ${PLAT_SIPSVC_PATH}/sip_svc.c \
+			   ${PLAT_SIPSVC_PATH}/$(ARCH)/sipsvc.S
+
+PLAT_INCLUDES		+=	-I${PLAT_SIPSVC_PATH}/include
+
+ifeq (${BL_COMM_SIPSVC_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${SIPSVC_SOURCES}
+else
+ifeq (${BL2_SIPSVC_NEEDED},yes)
+BL2_SOURCES		+= ${SIPSVC_SOURCES}
+endif
+ifeq (${BL31_SIPSVC_NEEDED},yes)
+BL31_SOURCES		+= ${SIPSVC_SOURCES}
+endif
+endif
+endif
+# -----------------------------------------------------------------------------