soc: swr-mstr: Add support for platform specific port configuration

Different platforms have different configuration for soundwire
ports. Add support to get the port configuration information
from the machine driver.

Change-Id: If2c006c4d4a43e2a8dc67c076f6d1c0f36eae16b
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>