drm: print plane state normalized zpos value

When dumping plane state print normalized zpos value as done for
the other plane state fields.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180605135407.20214-2-benjamin.gaignard@linaro.org

drivers/gpu/drm/drm_atomic.c

@@ -1111,6 +1111,7 @@ static void drm_atomic_plane_print_state(struct drm_printer *p,
 	drm_printf(p, "\tcrtc-pos=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&dest));
 	drm_printf(p, "\tsrc-pos=" DRM_RECT_FP_FMT "\n", DRM_RECT_FP_ARG(&src));
 	drm_printf(p, "\trotation=%x\n", state->rotation);
+	drm_printf(p, "\tnormalized-zpos=%x\n", state->normalized_zpos);
 	drm_printf(p, "\tcolor-encoding=%s\n",
 		   drm_get_color_encoding_name(state->color_encoding));
 	drm_printf(p, "\tcolor-range=%s\n",