DBGU means Debug Unit, was refered as "DGBU" in some files. Fixed to "DBGU".
Signed-off-by: NSamuel R. C. Vale <srcvale@holoscopio.com>
Acked-by: NAndrew Victor <linux@maxim.org.za>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>