Allow VPL QSV to init with the legacy MSDK path #981

Job	Run time
build_portable_windows / Build Portable FFmpeg (win64)	36m 59s
build_portable_linux / Build Portable FFmpeg (amd64)	1h 49m 25s
build_portable_mac / Build Portable FFmpeg (macos-13, x86_64)	57m 51s
build_debian / Build FFmpeg (bullseye, amd64)	52m 3s
build_portable_linux / Build Portable FFmpeg (arm64)	1h 40m 53s
build_portable_mac / Build Portable FFmpeg (macos-14, arm64)	21m 27s
build_debian / Build FFmpeg (bullseye, arm64)	14m 59s
build_portable_windows_clang / Build Portable FFmpeg (CLANG64, win64)	1h 6m 22s
build_debian / Build FFmpeg (bullseye, armhf)	13m 38s
build_ubuntu / Build FFmpeg (focal, amd64)	59m 14s
build_debian / Build FFmpeg (bookworm, amd64)	1h 2m 11s
build_ubuntu / Build FFmpeg (focal, arm64)	14m 49s
build_debian / Build FFmpeg (bookworm, arm64)	14m 57s
build_ubuntu / Build FFmpeg (focal, armhf)	13m 57s
build_debian / Build FFmpeg (bookworm, armhf)	13m 27s
build_ubuntu / Build FFmpeg (jammy, amd64)	53m 22s
build_ubuntu / Build FFmpeg (jammy, arm64)	16m 54s
build_ubuntu / Build FFmpeg (jammy, armhf)	13m 29s
build_ubuntu / Build FFmpeg (noble, amd64)	1h 5m 4s
build_ubuntu / Build FFmpeg (noble, arm64)	15m 58s
build_ubuntu / Build FFmpeg (noble, armhf)	14m 8s
build_portable_windows / Publish Portable Release	0s
build_portable_mac / Publish Portable Release	0s
build_debian / Publish Release	0s
build_ubuntu / Publish Release	0s
build_portable_windows_clang / Publish Portable Release	0s
build_portable_linux / Publish Portable Release	0s
	13h 51m 7s

Provide feedback