ARM: dts: STiH410: Add label for sti-hdmi node

Needed to declare HDMI device in sound card

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/arch/arm/boot/dts/stih410.dtsi b/arch/arm/boot/dts/stih410.dtsi
index a3ef734..281a124 100644
--- a/arch/arm/boot/dts/stih410.dtsi
+++ b/arch/arm/boot/dts/stih410.dtsi
@@ -193,7 +193,7 @@
 							 <&clk_s_d2_quadfs 0>;
 			};
 
-			sti-hdmi@8d04000 {
+			sti_hdmi: sti-hdmi@8d04000 {
 				compatible = "st,stih407-hdmi";
 				reg = <0x8d04000 0x1000>;
 				reg-names = "hdmi-reg";