Merge changes from topic 'eSCO'

* changes:
  eSCO: Format changes to original vendor patch (4/5)
  eSCO: Additional fix to get eSCO working for HFP and HSP (3/5)
  eSCO: Remove BTM_WBS_INCLUDED from the stack (2/5)
  eSCO: BT 4.1 Enhanced SCO command (1/5)