UPSTREAM: Merge commit '3f8372c1' into msm-4.9 (kernel comp dev)- 11/07

* commit '3f8372c1':
  ARM: dts: msm: Change vfe DSP clock to Turbo rate for sdm670 and sdm845
  ARM: dts: msm: Add multi clk levels in camera nodes for sdm845, sdm670
  msm: camera: fd: add flush functionality
  msm: camera: context: add name to cam_context for debug
  msm: camera: isp: Add timestamp read for Dual IFE usecase
  msm: camera: Fix some ref count issues and race conditions
  msm: camera: isp: Add missing BUS deinit call
  msm: camera: isp: Check for EOF irq before SOF
  msm: camera: isp: Avoid locking in IRQ context
  msm: camera: util: Disable IRQ before clocks
  msm: camera: sync: Protect sync destroy against race condition
  msm: camera: isp: Remove update of framedrop and IRQ subsampling
  msm: camera: util: Add support for option clk
  msm: camera: Change default clock voting level to SVS
  msm: camera: cci: Export cci api
  msm: camera: cpas: Update camera AXI ab, ib bw voting
  ARM: dts: msm: Update camera ahb bus bw values for sdm845, sdm670

Change-Id: I67405dcae06f3324675aa4d6eb4442734c9bfc82
Signed-off-by: Abhijit Trivedi <abhijitt@codeaurora.org>