[media] exynos4-is: fix a format string bug

Ironically, 7d4020c3 ("[media] exynos4-is: fix some warnings when
compiling on arm64") fixed some format string bugs but introduced a
new one. buf_index is a simple int, so it should be printed with %d,
not %pad (which is correctly used for dma_addr_t).

Fixes: 7d4020c3 ("[media] exynos4-is: fix some warnings when compiling on arm64")
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/exynos4-is/fimc-isp-video.c

@@ -218,8 +218,8 @@ static void isp_video_capture_buffer_queue(struct vb2_buffer *vb)
 							ivb->dma_addr[i];
 
 			isp_dbg(2, &video->ve.vdev,
-				"dma_buf %pad (%d/%d/%d) addr: %pad\n",
-				&buf_index, ivb->index, i, vb->index,
+				"dma_buf %d (%d/%d/%d) addr: %pad\n",
+				buf_index, ivb->index, i, vb->index,
 				&ivb->dma_addr[i]);
 		}