package/libvdpau: bump version to 1.2

Added all hashes provided by upstream and license hash.

Removed patch 0001, applied upstream
https://gitlab.freedesktop.org/vdpau/libvdpau/commit/1cda354bdfd0c9ca107293b84b52f4464fdbedcc



Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>