anv: Set Stateless Data Port Access MOCS

This is the MOCS setting used for the A64 stateless messages which we
sometimes use for SSBO operations.

Fixes: 48ed2a7bb0 "anv: Implement VK_EXT_buffer_device_address"
Fixes: 79fb0d27f3 "anv: Implement SSBOs bindings with GPU addr..."
Reviewed-by: Chad Versace <chadversary@chromium.org>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>

src/intel/vulkan/genX_cmd_buffer.c

@@ -76,6 +76,8 @@ genX(cmd_buffer_emit_state_base_address)(struct anv_cmd_buffer *cmd_buffer)
       sba.GeneralStateMOCS = GENX(MOCS);
       sba.GeneralStateBaseAddressModifyEnable = true;
 
+      sba.StatelessDataPortAccessMOCS = GENX(MOCS);
+
       sba.SurfaceStateBaseAddress =
          anv_cmd_buffer_surface_base_address(cmd_buffer);
       sba.SurfaceStateMOCS = GENX(MOCS);