fs: fat: unaligned buffers are not an error

The FAT driver supports unaligned reads and writes and EFI applications
will make use of these. So a misaligned buffer is only worth a debug
message.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 73ffdea..b08949d 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -260,7 +260,7 @@
 	if ((unsigned long)buffer & (ARCH_DMA_MINALIGN - 1)) {
 		ALLOC_CACHE_ALIGN_BUFFER(__u8, tmpbuf, mydata->sect_size);
 
-		printf("FAT: Misaligned buffer address (%p)\n", buffer);
+		debug("FAT: Misaligned buffer address (%p)\n", buffer);
 
 		while (size >= mydata->sect_size) {
 			ret = disk_read(startsect++, 1, tmpbuf);