glsl: move some uniform linking code to new link_setup_uniform_remap_tables()

This makes link_assign_uniform_locations() easier to follow.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/compiler/glsl/linker.cpp

@@ -4560,9 +4560,7 @@ link_varyings_and_uniforms(unsigned first, unsigned last,
       return false;
 
    update_array_sizes(prog);
-   link_assign_uniform_locations(prog, ctx->Const.UniformBooleanTrue,
-                                 num_explicit_uniform_locs,
-                                 ctx->Const.MaxUserAssignableUniformLocations);
+   link_assign_uniform_locations(prog, ctx, num_explicit_uniform_locs);
    link_assign_atomic_counter_resources(ctx, prog);
 
    link_calculate_subroutine_compat(prog);