[PATCH] pinctrl: zte: fix 'functions' allocation in zx_pinctrl_build_state()

[Shawn Guo]

On Mon, Jul 17, 2017 at 11:02:21AM +0300, Dan Carpenter wrote:
> Shouldn't there be a free if the remove function?  I'm not even sure
> where the remove function is so I don't know.

As the pinctrl driver is essential for the platform, it's always a
builtin_platform_driver which we do not even have a remove function.

Shawn