CCP2 and CSI-1, are older single data lane serial busses.

[mchehab@s-opensource.com: don't use spaces for identation]
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: NPavel Machek <pavel@ucw.cz>
Reviewed-by: NSebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>