MMCIF only uses one clock, all ARM and SuperH platforms register MMCIF
clock lookup entries with no connection ID, hence it can be dropped in
the driver too.
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: NSimon Horman <horms+renesas@verge.net.au>
Signed-off-by: NChris Ball <cjb@laptop.org>