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- Update libva to 2.0.0

Description

  • Update libva to 2.0.0
  • Update libva-intel-driver to 2.0.0
  • Update libva-utils to 2.0.0
  • Bump dependent ports due to shlib bump
  • Import upstream patch to fix multimedia/mpv [1]
  • Import upstream patch to fix multimedia/gstreamer1-vaapi [2]

Approved by: cpm [1], multimedia (timeout) [2]
Obtained from: https://github.com/mpv-player/mpv/commit/2ecf240b1cd20875991a5b18efafbe799864ff7f [1]

		https://cgit.freedesktop.org/gstreamer/gstreamer-vaapi/commit/gst-libs/gst/vaapi/gstvaapiutils.c?id=777bba473e3ed1c7b8b7f7f0322892851c70dfd9 [2]

Differential Revision: https://reviews.freebsd.org/D12761