clk: hisi: add hisi_clk_register_gate

Add hisi_clk_register_gate register clk gate table

Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>

diff --cc drivers/clk/hisilicon/clk.c
Simple merge

diff --cc drivers/clk/hisilicon/clk.h
Simple merge