[POWERPC] Virtex: add xilinx interrupt controller driver

Adds support for the Xilinx opb-intc interrupt controller

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index b0ea8e9..592c17e 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -26,6 +26,7 @@
 obj-$(CONFIG_PPC_I8259)		+= i8259.o
 obj-$(CONFIG_PPC_83xx)		+= ipic.o
 obj-$(CONFIG_4xx)		+= uic.o
+obj-$(CONFIG_XILINX_VIRTEX)	+= xilinx_intc.o
 endif
 
 # Temporary hack until we have migrated to asm-powerpc