[ARM] Add support for ARM GIC

Add support for the ARM Generic Interrupt Controller.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index 11f20a4..a878865 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -4,6 +4,7 @@
 
 obj-y				+= rtctime.o
 obj-$(CONFIG_ARM_AMBA)		+= amba.o
+obj-$(CONFIG_ARM_GIC)		+= gic.o
 obj-$(CONFIG_ICST525)		+= icst525.o
 obj-$(CONFIG_ICST307)		+= icst307.o
 obj-$(CONFIG_SA1111)		+= sa1111.o