anv: Use BRW_BARYCENTRIC_NONPERSPECTIVE_BITS from common header.

In a previous patch some enums were split out from brw_eu_defines.h, so
they could be used by genxml based code. anv can also benefit from this.

Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/intel/vulkan/genX_pipeline.c

@@ -1062,7 +1062,8 @@ emit_3dstate_clip(struct anv_pipeline *pipeline,
       }
 #else
       clip.NonPerspectiveBarycentricEnable = wm_prog_data ?
-         (wm_prog_data->barycentric_interp_modes & 0x38) != 0 : 0;
+         (wm_prog_data->barycentric_interp_modes &
+          BRW_BARYCENTRIC_NONPERSPECTIVE_BITS) != 0 : 0;
 #endif
    }
 }