[PATCH] ARM: OMAP2+: Fix an IS_ERR() vs NULL check in _get_pwrdm()

[Tony Lindgren]

* Jing Xiangfeng <jingxiangfeng at huawei.com> [200724 06:51]:
> The of_clk_get() function returns error pointers, it never returns NULL.

Thanks applying into fixes.

Tony