soc: mediatek: fix missing clk_disable_unprepare() on err in svs_resume()

Fix the missing clk_disable_unprepare() before return
from svs_resume() in the error handling case.

Signed-off-by: Peng Wu <wupeng58@huawei.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Link: https://lore.kernel.org/r/20220623070240.63382-1-wupeng58@huawei.com


Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>