powerpc/virtex: Add support for Xilinx PCI host bridge

This patch adds support for the Xilinx plbv46-pci-1.03.a PCI host
bridge IPcore.

Signed-off-by: Roderick Colenbrander <thunderbird2k@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index e3e8707..04a8061 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -329,4 +329,8 @@
 	  also register MCU GPIOs with the generic GPIO API, so you'll able
 	  to use MCU pins as GPIOs.
 
+config XILINX_PCI
+	bool "Xilinx PCI host bridge support"
+	depends on PCI && XILINX_VIRTEX
+
 endmenu