Remove clk_table and directly use ios->clock as clock source rate.
Abstract init clock rate and max clock limitation in clk.c
Signed-off-by: NZhangfei Gao <zhangfei.gao@linaro.org>
Acked-by: NSeungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: NChris Ball <chris@printf.net>