media: venus: Update v6 buffer descriptors

Commit 3a75bf4e ('media: venus: Add platform buffers for v6') adds a
bunch of capability parameters. Reviewing downstream we can see a number of
these need to be updated.

techpack/video/msm/vidc/msm_vidc_platform.c :: kona_capabilities[]

Fixes: 3a75bf4e ('media: venus: Add platform buffers for v6')
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>