ASoC: dsp: Fix LPASS clock timeout issue

LPASS set clock time command times out because afe callback
was waking up the incorrect wait queue. Use the appropriate
index instead of the global index for wake up.

CRs-Fixed: 2151551
Change-Id: I2d4f4c477913a9513ffae2992ecf777f7a3ed60d
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>