SH 7366 needs SCIF_ONLY

SH 7366 has compile bug.
because there is no SCIF_ONLY for SH 7366.
this patch add it.

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>