anv: Set CS stall bit during HIZ_CCS_WT surface fast clear

anv: Set CS stall bit during HIZ_CCS_WT surface fast clear

It make sense to enable CS stall so that it guarantees that the fast
clear will start after tile cache flush has completed.

cc: mesa-stable
closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/9030

Fixes: e488773b ("anv: Fast clear depth/stencil surface in vkCmdClearAttachments"
Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23063>