ARM: set vga memory base at run-time

Convert the incorrectly named PCIMEM_BASE to a variable called vga_base.
This removes the dependency on mach/hardware.h.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c
index 502d1ca..c2f1c47 100644
--- a/arch/arm/mach-dove/pcie.c
+++ b/arch/arm/mach-dove/pcie.c
@@ -11,6 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/mbus.h>
+#include <video/vga.h>
 #include <asm/mach/pci.h>
 #include <asm/mach/arch.h>
 #include <asm/setup.h>
@@ -228,6 +229,8 @@
 
 void __init dove_pcie_init(int init_port0, int init_port1)
 {
+	vga_base = DOVE_PCIE0_MEM_PHYS_BASE;
+
 	if (init_port0)
 		add_pcie_port(0, DOVE_PCIE0_VIRT_BASE);