drm/msm: use PAGE_ALIGNED instead of IS_ALIGNED(PAGE_SIZE)

use mm.h definition

Cc: David Airlie <airlied@linux.ie>
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Rob Clark <robdclark@gmail.com>

drivers/gpu/drm/msm/msm_iommu.c

@@ -110,7 +110,7 @@ static int msm_iommu_unmap(struct msm_mmu *mmu, uint32_t iova,
 
 		VERB("unmap[%d]: %08x(%x)", i, iova, bytes);
 
-		BUG_ON(!IS_ALIGNED(bytes, PAGE_SIZE));
+		BUG_ON(!PAGE_ALIGNED(bytes));
 
 		da += bytes;
 	}