commit 10f2bfb0 upstream.

Fix the retrn value check which testing the wrong variable
in pxa910_clk_init().

Fixes: 2bc61da9 ("clk: mmp: add pxa910 DT support for clock driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>