spi: qup: add missing clk_disable_unprepare on error in spi_qup_pm_resume_runtime()

Add the missing clk_disable_unprepare() before return
from spi_qup_pm_resume_runtime() in the error handling case.

Fixes: dae1a770

 (“spi: qup: Handle clocks in pm_runtime suspend and resume”)
Signed-off-by: Xu Qiang <xuqiang36@huawei.com>
Link: https://lore.kernel.org/r/20220825065324.68446-2-xuqiang36@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>