memblock/arm: Fix memblock_region_is_memory() typo

Fix typo in commit dbe3039e ("memblock/arm: Use memblock_region_is_memory()
for omap fb") - it should be memblock_is_region_memory().
Reported-by: NTomi Valkeinen <tomi.valkeinen@nokia.com>
Signed-off-by: NYinghai Lu <yinghai@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: ext Grazvydas Ignotas <notasas@gmail.com>
LKML-Reference: <4CABFADA.9020305@kernel.org>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/arm/plat-omap/fb.c

@@ -173,7 +173,7 @@ static int check_fbmem_region(int region_idx, struct omapfb_mem_region *rg,
 
 static int valid_sdram(unsigned long addr, unsigned long size)
 {
-	return memblock_region_is_memory(addr, size);
+	return memblock_is_region_memory(addr, size);
 }
 
 static int reserve_sdram(unsigned long addr, unsigned long size)

drivers/video/omap2/vram.c

@@ -555,7 +555,7 @@ void __init omap_vram_reserve_sdram_memblock(void)
 
 	if (paddr) {
 		if ((paddr & ~PAGE_MASK) ||
-		    !memblock_region_is_memory(paddr, size)) {
+		    !memblock_is_region_memory(paddr, size)) {
 			pr_err("Illegal SDRAM region for VRAM\n");
 			return;
 		}