soc: swr-mstr: Fix port collision during wsa playback

Fix block pack mode parameter in wsa frame params to
to get proper frame allocation avoiding port collision
between DAC port and SMART BOOST port.

Change-Id: I3e552f189a67661d63a6cd0affc1cb233b53bda7
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>