ASoC: msm: Update the encode option and sample rate.

Populate the sample rate, encode option in wma config params.

CRs-Fixed: 367243, 367242
Change-Id: Ieeb9d302454d3935faa51cac77021e7c1d77012c
Signed-off-by: Aviral Gupta <aviralg@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>