ASoC: msm: Add CPU DAI driver for apps owned slimbus ports

It is possible to establish audio data path using slimbus between
application processor and codec. Add driver to support setup of slimbus
ports/channels for such data channels on the apps side. The codec driver
will be responsible of setting up the codec side ports/channels for the
data channel.

Change-Id: Ib2991bdb895bc0bdc5a6577c94f56a2d3215869d
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>