Merge changes I62675981,I714beeaf,Icca721b3,I9ee58aae into msm-3.4

* changes:
  qdsp5: audio: Add Acdb and RTC support for 8x25
  qdsp5: audio: Remove audpp and audrec definitions from audmgr driver
  qdsp5: audio: Update encoder drivers to use preproc driver functions
  qdsp5: audio: Move preproc functionality to audio preproc driver