asoc: wcd-mbhc-v2: Handle analog audio over TypeC without FSA4480

Legacy ways use no FSA4480 MUX chip: there you just pull GPIOs
and call it a day.
Handle this usecase.

[Pavel Dubrova]
Update snd_soc_codec to snd_soc_component API.

Signed-off-by: Pavel Dubrova <pashadubrova@gmail.com>