soundwire: Add slave synchronization configuration

Slave synchronization is needed to sync frame shape consisting
of different ports with different sample rates. Change sets
the slave synchronization based on the frame shape.

Change-Id: Iae726555b3c158394662c590d1ebc781ff7f54f5
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>