turnip: Advertise VK_KHR_shader_float_controls2
What does this MR do and why?
No Turnip or ir3 changes required as this was implemented in NIR by Intel.
Passes all of dEQP-VK.spirv_assembly.instruction.*.float_controls2.*
even without !29843 (merged).
Test run totals:
Passed: 4200/5841 (71.9%)
Failed: 0/5841 (0.0%)
Not supported: 1641/5841 (28.1%)
Warnings: 0/5841 (0.0%)
Waived: 0/5841 (0.0%)
Edited by Valentine Burley