[PATCH] ARM: OMAP2+: Remove redundant null check before clk_prepare_enable/clk_disable_unprepare

[Tony Lindgren]

* Xu Wang <vulab at iscas.ac.cn> [201104 08:45]:
> Because clk_prepare_enable() and clk_disable_unprepare() already checked
> NULL clock parameter, so the additional checks are unnecessary, just
> remove them.

Thanks applying into omap-for-v5.11/soc.

Tony