ARM: shmobile: r8a7790: care EXTAL divider settings

EXTAL clock frequency needs 1/2 when
(MD14, MD13, MD19) = (1, x, x).

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
1 file changed