Merge branch r2.0_00018.0 into vanilla

* ssh://ch-git3.arimacomm.com.tw:29418/kernel/msm-4.9: (1537 commits)
  ARM: dts: msm: enable 6dof in Sheldon
  ARM: dts: msm: create separate dt for bg soc entries
  crypto: msm: restrict value of num_fds to QCEDEV_MAX_BUFFERS
  headers_lib: rename Android.bp
  msm: mdss: Enable SPI in pan display path
  drm/msm: scrambling not mandatory for DP interface
  drm/msm/dp: configure VSC SDP packet during HDR playback
  drm/msm/dp: configure quantization ranges as per video format
  ARM: dts: msm: Add avb flags for system and vendor
  drm/msm/dp: set pixel_encoding and colorimetry info
  drm/msm/sde: append VIC ID to mode info string
  drm/msm/dp: check for VSC SDP support
  drm/msm/dp: add display-type support in dp
  drm/msm/dp: parse yuv-support dt property
  ARM: dts: msm: Update A2B select pin detail for SA415M  CCARD
  kbuild: skip install/check of headers right under uapi directories
  uapi: export all arch specifics directories
  kernel_headers: Fix headers not detected in incremental builds
  kernel headers: Update comparison logic
  Kbuild : Use no-export-headers to avoid exporting headers
  ...

Change-Id: I27e36261ceaac4577d0283145498d97466856311