ASoC: Handle slimbus port disconnection before opening another

Problem Description:
Open and close the same set of slimbus ports after
certain iterations will fail port open, as that port
was not disconnected successfully.

Fix Description:
Handle sequence of closing slimbus ports. Store
the channel masks associated with each codec dai
and reset them after they are closed from slimbus
Then, release the close slimbus port event, after
all the channels are closed completely

Change-Id: Ie14b9f0920b37f905151b48f18df181503acc21d
CRs-fixed: 370761
Signed-off-by: Swaminathan Sathappan <Swami@codeaurora.org>