radeonsi/uvd: set bo_size in si_video_buffer_create
Fixes memcpy crashes or gpu lockups depending on the hardware. For example crashes were reported for KAVERI and RYZEN, but gpu lockups were reported for CAPE VERDE.
Reproducible with gstreamer-vaapi 's vaapih264dec and vaapipostproc.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111236 Signed-off-by: Julien Isorce email@example.com Signed-off-by: Michel Dänzer firstname.lastname@example.org