ASoC: tas2764: Add the driver for the TAS2764

Introduce the Texas Instruments TAS2764 amplifier driver
with I/V sense for loud speaker applications.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20201007155341.10139-2-dmurphy@ti.com


Signed-off-by: Mark Brown <broonie@kernel.org>