Merge changes Idd6a33e7,I958dee8d,If015df64,Ifdbe433a,I8ae7b6f2,Id8ce2c5d,I573c7603 into msm-3.0

* changes:
  msm: bam_dmux: add error message for failure debugging
  msm: bam_dmux: fix memory leak in error case
  msm: bam_dmux: check possible null pointer
  Revert "msm: bam_dmux: remove clock voting"
  msm: bam_dmux: configure bam in satellite mode on 9615
  msm: bam_dmux: add wakelock
  msm: bam_dmux: fix ack race condition