Merge changes Idf9aeee3,Ibee2efde,I41dd39d2,I84c3ca17,Ie5dd4593 into msm-3.0

* changes:
  msm: msm_xo: Remove PXO/CXO control from buffer voting
  msm: xo: Initialize debugfs from initcall
  msm: clock: Support clk_prepare/unprepare()
  msm: clock: Move XO voting to RPM clock driver
  msm: clock-9615: Remove dummy clock entries for ebi1