makemkv: update to makemkv-1.8.2

closes #2311
xf86-video-intel: Bump to version 2.21.7
Mesa: Bump to 9.1.3
LIBVA: Bump to testing version (libva 1.2.0pre) (intel-driver 1.1.0pre)
xbmc: Add VPP deinterlacing for intel vaapi
xbmc: VPP: adapt API to testing version (libva 1.2.0pre) (intel-driver 1.1.0pre)