ARM: i.MX5 clocks: Remove optional clock setup (CKIH1) from i.MX51 template

External high frequency clock CKIH1 is optional for i.MX51, so move
it setup into boards where it is used.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
3 files changed