plat/arm/board/arm_fpga: Initialize the Generic Interrupt Controller

This initializes the GIC using the Arm GIC drivers in TF-A.
The initial FPGA image uses a GIC600 implementation, and so that its
power controller is enabled, this platform port calls the corresponding
implementation-specific routines.

Signed-off-by: Oliver Swede <oli.swede@arm.com>
Change-Id: I88d5a073eead4b653b1ca73273182cd98a95e4c5
diff --git a/plat/arm/board/arm_fpga/platform.mk b/plat/arm/board/arm_fpga/platform.mk
index 73e1870..8ce0ae0 100644
--- a/plat/arm/board/arm_fpga/platform.mk
+++ b/plat/arm/board/arm_fpga/platform.mk
@@ -37,9 +37,14 @@
 FPGA_CPU_LIBS		:=	lib/cpus/${ARCH}/aem_generic.S		\
 				lib/cpus/aarch64/neoverse_zeus.S
 
-FPGA_GIC_SOURCES	:=	drivers/arm/gic/common/gic_common.c	\
-				drivers/arm/gic/v3/gicv3_main.c		\
-				plat/common/plat_gicv3.c
+FPGA_GIC_SOURCES	:=	drivers/arm/gic/v3/gicv3_helpers.c	\
+				drivers/arm/gic/v3/gicdv3_helpers.c     \
+                                drivers/arm/gic/v3/gicrv3_helpers.c     \
+                                drivers/arm/gic/v3/gicv3_main.c         \
+				drivers/arm/gic/v3/gic600.c		\
+				drivers/arm/gic/common/gic_common.c     \
+				plat/common/plat_gicv3.c		\
+				plat/arm/board/arm_fpga/fpga_gicv3.c
 
 PLAT_INCLUDES		:=	-Iplat/arm/board/arm_fpga/include