dt-bindings: clock: Add support for LPASS Audio Clock Controller

Audio Clock controller is a block inside LPASS which controls
2 Glitch free muxes to LPASS codec Macros.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20201026120221.18984-2-srinivas.kandagatla@linaro.org


Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>