dm: scsi: if_typename should be scsi

Fixes:

=> ext2ls scsi 0:1
** Bad device scsi 0:1 **

for boards which use the scsi legacy driver (such as ls1043ardb).

Signed-off-by: Ed Swarthout <Ed.Swarthout@nxp.com>
Tested-by: George McCollister <george.mccollister@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/common/scsi.c b/common/scsi.c
index 8ac28dd..dbbf404 100644
--- a/common/scsi.c
+++ b/common/scsi.c
@@ -584,7 +584,7 @@
 };
 #else
 U_BOOT_LEGACY_BLK(scsi) = {
-	.if_typename	= "sata",
+	.if_typename	= "scsi",
 	.if_type	= IF_TYPE_SCSI,
 	.max_devs	= CONFIG_SYS_SCSI_MAX_DEVICE,
 	.desc		= scsi_dev_desc,