aoc/alsa: add interal_mic_us_tx backend for ulstrasonic capture

Added tinymix controls:

274	ENUM	1	INTERNAL_MIC_US_TX Sample Rate           SR_96K
275	ENUM	1	INTERNAL_MIC_US_TX Format                S32_LE
276	ENUM	1	INTERNAL_MIC_US_TX Chan                  Two
436	BOOL	1	EP5 TX Mixer INTERNAL_MIC_US_TX          Off

Bug: 215418484

Signed-off-by: Xinhui Zhou <zxinhui@google.com>
Change-Id: Iae18d5b80cb34562271f4706ffe4ac417457f1ca
4 files changed