panfrost: Fix bifrost tiler job emission

The tiler descriptor pointer and padding sections were not filled.

Fixes: d289209e ("panfrost: XML-ify the compute job descriptor")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Tested-by: Christian Hewitt <christianshewitt@gmail.com>
Part-of: <!6859>
37 jobs for !6859 with panfrost-genxml-fixes in 8 minutes and 33 seconds (queued for 3 seconds)
merge request