memblock/arm: Use memblock_region_is_memory() for omap fb

Instead of the deprecated memblock_find()
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/arm/plat-omap/fb.c

@@ -173,11 +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)
 {
-	struct memblock_region res;
-
-	res.base = addr;
-	res.size = size;
-	return !memblock_find(&res) && res.base == addr && res.size == size;
+	return memblock_region_is_memory(addr, size);
 }
 
 static int reserve_sdram(unsigned long addr, unsigned long size)

drivers/video/omap2/vram.c

@@ -554,12 +554,8 @@ void __init omap_vram_reserve_sdram_memblock(void)
 	size = PAGE_ALIGN(size);
 
 	if (paddr) {
-		struct memblock_region res;
-
-		res.base = paddr;
-		res.size = size;
-		if ((paddr & ~PAGE_MASK) || memblock_find(&res) ||
-		    res.base != paddr || res.size != size) {
+		if ((paddr & ~PAGE_MASK) ||
+		    !memblock_region_is_memory(paddr, size)) {
 			pr_err("Illegal SDRAM region for VRAM\n");
 			return;
 		}