[ Upstream commit c974c48deeb969c5e4250e4f06af91edd84b1f10 ]

sprd_clk_regmap_init() doesn't always return success, adding check
for its return value should make the code more strong.
Signed-off-by: NChunyan Zhang <zhang.chunyan@linaro.org>
Reviewed-by: NBaolin Wang <baolin.wang@linaro.org>
[sboyd@kernel.org: Add a missing int ret]
Signed-off-by: NStephen Boyd <sboyd@kernel.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>