[ARM] Fix realview machine type for patch 3060/1

Realview was missed in this cleanup...

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-realview/memory.h b/include/asm-arm/arch-realview/memory.h
index 99667d5..ed370ab 100644
--- a/include/asm-arm/arch-realview/memory.h
+++ b/include/asm-arm/arch-realview/memory.h
@@ -23,7 +23,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET		(0x00000000UL)
+#define PHYS_OFFSET		UL(0x00000000)
 
 /*
  * Virtual view <-> DMA view memory address translations