aco/gfx11: don't use bfe for local_invocation_id if the others are always 0

Foz-DB GFX1100:
Totals from 4469 (3.37% of 132657) affected shaders:
Instrs: 3895053 -> 3893529 (-0.04%); split: -0.04%, +0.00%
CodeSize: 20244128 -> 20220952 (-0.11%); split: -0.11%, +0.00%
Latency: 37864147 -> 37862227 (-0.01%); split: -0.01%, +0.00%
InvThroughput: 5578100 -> 5576469 (-0.03%); split: -0.03%, +0.00%
SClause: 108336 -> 108343 (+0.01%); split: -0.00%, +0.01%
Copies: 275897 -> 275900 (+0.00%); split: -0.00%, +0.00%

Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24514>
1 file changed