For MT8188, MTK_AUDIO_SMC_OP_DOMAIN_SIDEBANDS is required for normal
mode switch.
- Add audio common code and chip specific code.
- Add new id (MTK_SIP_AUDIO_CONTROL) to mtk_sip_def.h.
- Enable for MT8188.
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Change-Id: Iff4680cd0b520b2b519ecf30ecafe100f147cc62