ASoC: pcm: Update RX shutdown sequence

Update RX shutdown sequence so that codec
path gets tear down first followed by cpu dai.
This will avoid slim port underflow/overflows
when slim data protocol is changed.

Change-Id: I6e3582fa010d18d4e0ccfde319dfc4d81af1351f
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>