ASoC: codecs: wm8962: Propagate regcache_sync() errors

regcache_sync() can fail while replaying cached register state during
runtime resume. wm8962_runtime_resume() currently ignores that failure
and continues programming the device.

Propagate the error, restore cache-only/dirty state, and unwind the
supplies and clock acquired by runtime resume.

Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Link: https://patch.msgid.link/20260704040220.12045-1-pengpeng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>

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