linux-imx

ARM: shmobile: r8a7790: don't use external clock for SCIFs

This is an external component and may or may not be there, while the
internal clock always works.

Signed-off-by: Ulrich Hecht <ulrich.hecht@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>