msm: Remove all references to pmem from audio files

PMEM is no longer supported. Remove all references to it.

Change-Id: If68c41901b8fb0b9382650c3123a68958f769761
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
qdsp5: memset stack buffer allocation.

This is needed to avoid garbage data in uninitialized variables.

Change-Id: I3a043a4ce4e14d8e0c24b434181dff484eddac72
CRs-Fixed: 551548
CRs-Fixed: 551542
CRs-Fixed: 551555
CRs-Fixed: 551563
CRs-Fixed: 551566
Signed-off-by: Asish Bhattacharya <asishb@codeaurora.org>
Squashed update of kernel from 3.4.77 to 3.4.78