ASoC: msm: qdsp6v2: get component pointer properly

Due to ASoC's Componentization change, component pointer is required not
platform pointer.

Change-Id: Ieef25e482a766c9b0409f2ea806dc2016835025c
Signed-off-by: Fred Oh <fred@codeaurora.org>
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>