gallium/drivers: set force_indirect_unrolling_sampler for all required drivers

This is set to true for all drivers that have a GLSL level
of support lower than 4.00. This matches the rule for setting the
GLSL IR option EmitNoIndirectSampler.

Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16543>

src/intel/compiler/brw_compiler.c

@@ -194,6 +194,7 @@ brw_compiler_create(void *mem_ctx, const struct intel_device_info *devinfo)
 
       nir_options->force_indirect_unrolling |=
          brw_nir_no_indirect_mask(compiler, i);
+      nir_options->force_indirect_unrolling_sampler = devinfo->ver < 7;
 
       if (compiler->use_tcs_8_patch) {
          /* TCS 8_PATCH mode has multiple patches per subgroup */