So the boards which has COMMON_CLK enabled don't have to
invoke this in its board specific file.
Signed-off-by: NKevin Hao <haokexin@gmail.com>
Acked-by: NScott Wood <scottwood@freescale.com>
Acked-by: NMichael Turquette <mturquette@linaro.org>
Signed-off-by: NMichael Turquette <mturquette@linaro.org>