[PATCH -next] clk: imx: scu: Make pd_np with static keyword

[Stephen Boyd]

Quoting Zou Wei (2020-11-04 03:19:31)
> Fix the following sparse warning:
> 
> ./clk-scu.c:23:20: warning: symbol 'pd_np' was not declared. Should it be static?
> 
> Reported-by: Hulk Robot <hulkci at huawei.com>
> Signed-off-by: Zou Wei <zou_wei at huawei.com>
> ---

Reviewed-by: Stephen Boyd <sboyd at kernel.org>