staging: mt7621-mmc: Remove whitespace errors in dbg.c

The whitespace errors in the file dbg.c are fixed by using the
cleanfile script. Indentations with whitespaces are not changed
in this patch.

Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>