SPM: Load image and RD from SP package

Load SP and RD from package instead of relying on RD being already
loaded in memory and the SP being loaded as a BL32 image.

Change-Id: I18d4fbf4597656c6a7e878e1d7c01a8a324f3f8a
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk
index 9f39d71..24b61e8 100644
--- a/plat/arm/common/arm_common.mk
+++ b/plat/arm/common/arm_common.mk
@@ -249,6 +249,7 @@
 ifeq (${ENABLE_SPM},1)
 BL31_SOURCES		+=	common/fdt_wrappers.c			\
 				plat/common/plat_spm_rd.c		\
+				plat/common/plat_spm_sp.c		\
 				${LIBFDT_SRCS}
 endif
 endif