avfilter/tonemapx: add simd optimized tonemapx #827

Job	Run time
build_portable_windows / Build Portable FFmpeg (win64)	3m 14s
build_portable_linux / Build Portable FFmpeg (amd64)	3m 13s
build_portable_linux / Build Portable FFmpeg (arm64)	3m 15s
build_portable_mac / Build Portable FFmpeg (macos-12, x86_64)	3m 15s
build_portable_mac / Build Portable FFmpeg (macos-14, arm64)	3m 18s
build_debian / Build FFmpeg (bullseye, amd64)	3m 13s
build_ubuntu / Build FFmpeg (focal, amd64)	3m 12s
build_debian / Build FFmpeg (bullseye, arm64)	3m 12s
build_debian / Build FFmpeg (bullseye, armhf)	3m 13s
build_ubuntu / Build FFmpeg (focal, arm64)	3m 14s
build_debian / Build FFmpeg (bookworm, amd64)	3m 18s
build_debian / Build FFmpeg (bookworm, arm64)	3m 13s
build_ubuntu / Build FFmpeg (focal, armhf)	3m 13s
build_debian / Build FFmpeg (bookworm, armhf)	3m 16s
build_ubuntu / Build FFmpeg (jammy, amd64)	3m 15s
build_ubuntu / Build FFmpeg (jammy, arm64)	3m 14s
build_ubuntu / Build FFmpeg (jammy, armhf)	3m 13s
build_ubuntu / Build FFmpeg (noble, amd64)	3m 15s
build_ubuntu / Build FFmpeg (noble, arm64)	3m 13s
build_ubuntu / Build FFmpeg (noble, armhf)	3m 14s
build_portable_windows / Publish Portable Release	1s
build_portable_linux / Publish Portable Release	1s
build_ubuntu / Publish Release	1s
build_portable_mac / Publish Portable Release	1s
build_debian / Publish Release	1s
	1h 4m 48s

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