Merge commit 'ab6422e1'

* commit 'ab6422e1':
  configure: rename hevc_ps to hevcparse
  extract_extradata: return an error when buffer allocation fails
  cpu: split flag checks per arch in av_cpu_max_align()
  configure: Use test_pkg_config() for the SDL check

This commit is a noop, see
3b345d38
7bae17e3Merged-by: James Almer <jamrial@gmail.com>