Merge remote-tracking branch '4.4/tmp-187016ef' into msm-next

* 4.4/tmp-187016ef:
  checkpatch: Excuse reverts from "summary line over 75 characters" check
  checkpatch: recognize only specific tags when ending commit text
  checkpatch: require commit text
  Don't complain about MIME headers.
  checkpatch: warn on subject line not followed by blank line
  checkpatch: warn on long summary, commit text lines
  checkpatch: Add exceptions for "dsb" keyword usage
  Revert "checkpatch.pl: add check for Change-Id"
  checkpatch: add support for --noauthor
  scripts: checkpatch.pl: warn on invalid credentials
  checkpatch: Add check for vreg_xxx api in opensource drivers
  checkpatch: Add check for gpiomux usage in msm board files
  checkpatch: complain about the use of dsb().
  checkpatch: close filp_open loophole.
  checkpatch: Handle long multi-line macros better.
  checkpatch: deprecate unbounded string functions.
  checkpatch: forbid implied-barrier I/O functions.
  checkpatch: Merge continuation-header handling from .38.
  checkpatch: forbid filesystem accesses from within the kernel.
  Checkpatch: Print location when catching return code error
  checkpatch: Check for illegal return codes
  checkpatch: remove column limit for checkpatch patches
  checkpatch: Add warnings for use of mdelay()
  checkpatch: Exceptions for CLK_* macros and some spaces in macros
  checkpatch: check for #if 0/#if 1

Change-Id: Ibf6b88a21a4df4fe91d2d9f71ace2540a10b0cce
Signed-off-by: Runmin Wang <runminw@codeaurora.org>