ARM: integrator: move VGA base assignment

The global vga_base is used for things like getting an early
console on a PCI-based VGA adapter. Move this assignment into
the probe function for the PCI bridge.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index 9dd7125..059ac4e 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -28,6 +28,7 @@
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
+#include <video/vga.h>
 
 #include <mach/hardware.h>
 #include <mach/platform.h>
@@ -850,6 +851,7 @@
 		return -ENODEV;
 	}
 
+	vga_base = (unsigned long)PCI_MEMORY_VADDR;
 	pci_common_init(&pci_v3);
 
 	return 0;