Merge commit 'e39a9212ab37a55b346801c77487d8a47b6f9fe2'

* commit 'e39a9212ab37a55b346801c77487d8a47b6f9fe2':
  aarch64: vp8: Port bilin functions from arm version

Merged-by: James Almer <jamrial@gmail.com>

diff --cc libavcodec/aarch64/vp8dsp.h
Simple merge

diff --cc libavcodec/aarch64/vp8dsp_init_aarch64.c
Simple merge

diff --cc libavcodec/aarch64/vp8dsp_neon.S
Simple merge