[PATCH] clk: mediatek: fix mtk_clk_register_mux() as static function

[Greg KH]

On Mon, Nov 09, 2020 at 05:37:07PM +0800, Weiyi Lu wrote:
> mtk_clk_register_mux() should be a static function
> 
> Fixes: a3ae549917f16 ("clk: mediatek: Add new clkmux register API")
> Cc: <stable at vger.kernel.org>

Why is this for stable trees?