ARM: mach-shmobile: clock-sh73a0: tidyup CKSCR main clock selecter

MAINCKSEL is [29:28], not [27:24]

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