anv: Move cmd_buffer_config_l3 into anv_cmd_buffer.c

This is the only remaining part of genX_l3.c and there's really no good
reason for it to be in its own file.

Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

src/intel/vulkan/gen8_cmd_buffer.c

@@ -380,7 +380,7 @@ genX(cmd_buffer_flush_compute_state)(struct anv_cmd_buffer *cmd_buffer)
 
    assert(pipeline->active_stages == VK_SHADER_STAGE_COMPUTE_BIT);
 
-   genX(cmd_buffer_config_l3)(cmd_buffer, pipeline);
+   genX(cmd_buffer_config_l3)(cmd_buffer, pipeline->urb.l3_config);
 
    genX(flush_pipeline_select_gpgpu)(cmd_buffer);