Alpine DT changes for 4.12

A bunch of clean up for Alpine device trees, nothing fancy.
ARM: dts: alpine: add valid clock-frequency values

Update the Alpine clock-frequency values with valid default values. The
bootloader can still update these values if needed, but at least we can
boot if it does not.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
1 file changed