soc: swr-mstr: Add support to listen for DC detection

Add support to listen for DC detection event.
Shutdown WSA on receiving DC detection event.
Porting the changes from old master driver to new driver.

Change-Id: I4d323bb8074d447b2969dd01c7129e57160b6c04
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>