various cmd_* files: fixed layout a little bit

Most of the files have U_BOOT_CMD on a separate line,
but a few didn't and had the first line on the same line
as U_BOOT_CMD.

This changes these files by adding a line break and a tab

Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index 19f2eb4..a6ed6a8 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -130,7 +130,8 @@
 	return 0;
 }
 
-U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo,
+U_BOOT_CMD(
+	mmcinfo, 2, 0, do_mmcinfo,
 	"display MMC info",
 	"<dev num>\n
         "    - device number of the device to dislay info of\n"