radv/sqtt: fix describing queue submits for RGP

The submit_sub_index field is used by RGP to determine the number of
submits. Previously, it was incorrectly reporting the same number of
submits than command buffers.

Fixes: 88cbe32048a ("radv: add support for RGP queue events")
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27439>
1 file changed