x86: Add chroma-from-luma AC 4:2:2 AVX2 asm

12 jobs for master in 4 minutes and 34 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #242829
amd64 debian
build-debian

00:00:31

passed #242833
debian aarch64
build-debian-aarch64

00:01:27

passed #242834
debian aarch64
build-debian-aarch64-clang-5

00:01:01

passed #242830
amd64 debian
build-debian-static

00:00:34

passed #242836
debian aarch64
build-debian-werror

00:00:31

passed #242835
macos
build-macos

00:00:26

passed #242831
win32
build-win32

00:00:28

passed #242832
win64
build-win64

00:00:36

 
  Test
passed #242837
amd64 debian
test-debian

00:00:44

passed #242838
amd64 debian
test-debian-asan

00:02:04

passed #242839
amd64 debian
test-debian-msan

00:00:57

passed #242840
amd64 debian
test-debian-ubsan

00:01:16