ARM: realview: fix map_desc alignment

REALVIEW_PBX_TILE_GIC_CPU_BASE is not 4KB aligned which causes an
overlapping mapping. Use REALVIEW_PBX_TILE_SCU_BASE instead which is
aligned.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index 63c4114..a15f5d6 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -98,8 +98,8 @@
 
 static struct map_desc realview_local_io_desc[] __initdata = {
 	{
-		.virtual        = IO_ADDRESS(REALVIEW_PBX_TILE_GIC_CPU_BASE),
-		.pfn            = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_CPU_BASE),
+		.virtual        = IO_ADDRESS(REALVIEW_PBX_TILE_SCU_BASE),
+		.pfn            = __phys_to_pfn(REALVIEW_PBX_TILE_SCU_BASE),
 		.length         = SZ_4K,
 		.type           = MT_DEVICE,
 	}, {