Merge changes I8fec21f8,If8a5bd97,Ibb42bb07,Ifd959d8e,I9ee031d7 into msm-3.0

* changes:
  msm: qdss: introduce mutex locking for funnel_enable/disable
  msm: qdss: make qdss_clk_enable/disable external functions
  msm: qdss: rename qdss private header file to qdss-priv.h
  msm: qdss: move external jtag declarations to external qdss header file
  msm: qdss: add new external qdss header file