plat/arm: Use only fw_config between bl2 and bl31

Passed the address of fw_config instead of soc_fw_config
as arg1 to BL31 from BL2 for ARM fvp platform.

BL31 then retrieve load-address of other device trees
from fw_config device tree.

Signed-off-by: Louis Mayencourt <louis.mayencourt@arm.com>
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: Ib7e9581cd765d76111dcc3b7e0dafc12503c83c1
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index 4925865..c3b49bb 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -217,6 +217,7 @@
 ifeq ($(filter 1,${BL2_AT_EL3} ${RESET_TO_BL31}),)
 BL31_SOURCES		+=	common/fdt_wrappers.c				\
 				lib/fconf/fconf.c				\
+				lib/fconf/fconf_dyn_cfg_getter.c		\
 				plat/arm/board/fvp/fconf/fconf_hw_config_getter.c
 
 ifeq (${SEC_INT_DESC_IN_FCONF},1)