ASoC: wcd934x: add support for write DMA3 path

WCD934X codec hardware has the write DMA3 (wDMA3) path to route the
audio data from microphone and slimbus inputs to the codec DSP. Add
necessary widgets and routings in the codec driver to support this
path.

Change-Id: I46459d2fa610e6110c52e33f1e9ec84a865f8189
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>
2 files changed