ARM: S5PV210: Fix on MAX_PHYSMEM_BITS on S5PV210/S5PC110.

This patch fixes on MAX_PHYSMEM_BITS for Sparsemem on S5PV210/S5PC110.
Because physical memory can be located from 0x20000000 to 0x7fffffff,
so MAX_PHYSMEM_BITS is 31 and not 32.
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s5pv210/include/mach/memory.h

@@ -16,8 +16,13 @@
 #define PHYS_OFFSET		UL(0x20000000)
 #define CONSISTENT_DMA_SIZE	(SZ_8M + SZ_4M + SZ_2M)
 
-/* Maximum of 256MiB in one bank */
-#define MAX_PHYSMEM_BITS	32
+/*
+ * Sparsemem support
+ * Physical memory can be located from 0x20000000 to 0x7fffffff,
+ * so MAX_PHYSMEM_BITS is 31.
+ */
+
+#define MAX_PHYSMEM_BITS	31
 #define SECTION_SIZE_BITS	28
 
 #endif /* __ASM_ARCH_MEMORY_H */