ASoC: rockchip: pdm: Add missing clk_disable_unprepare() in rockchip_pdm_runtime_resume()

The clk_disable_unprepare() should be called in the error handling of
rockchip_pdm_runtime_resume().

Fixes: fc05a5b2

 ("ASoC: rockchip: add support for pdm controller")
Signed-off-by: Wang Jingjin <wangjingjin1@huawei.com>
Link: https://lore.kernel.org/r/20221205032802.2422983-1-wangjingjin1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>