feat(plat/fvp): add RMM image support for FVP platform

This patch adds the necessary changes needed to build
and load RMM image for the FVP platform. RMM image is
loaded by BL2 after BL32 (if BL32 exists) and before BL33.

Signed-off-by: Zelalem Aweke <zelalem.aweke@arm.com>
Change-Id: I1ac9eade84c2e35c7479a322ca1d090b4e626819
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index 73f09e5..b375146 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -186,6 +186,10 @@
 BL2_SOURCES		+=	plat/arm/common/fconf/fconf_nv_cntr_getter.c
 endif
 
+ifeq (${ENABLE_RME},1)
+BL2_SOURCES		+=	plat/arm/board/fvp/aarch64/fvp_helpers.S
+endif
+
 ifeq (${BL2_AT_EL3},1)
 BL2_SOURCES		+=	plat/arm/board/fvp/${ARCH}/fvp_helpers.S	\
 				plat/arm/board/fvp/fvp_bl2_el3_setup.c		\