The patch enables nvidia hardware encoders/decoders.
It doesn't add new package dependencies, ffmpeg loads
required functionality in runtime if nvidia drivers have been
installed.
The change is coming together with implementation of hw devices precheck
in qtmultimedia.
Pick-to: 6.5 6.6
Change-Id: Id54a95b2bacf433950c7b50a42ff99136a143d98
Reviewed-by: Artem Dyomin <artem.dyomin@qt.io>
69c29b7584