ARM: dts: stih410: align HDMI CEC node names with dtschema

The bindings expect "cec" for HDMI CEC node.
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20221204183353.140002-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

arch/arm/boot/dts/stih410.dtsi

@@ -272,7 +272,7 @@ thermal@91a0000 {
 			interrupts = <GIC_SPI 205 IRQ_TYPE_EDGE_RISING>;
 		};
 
-		sti-cec@94a087c {
+		cec@94a087c {
 			compatible = "st,stih-cec";
 			reg = <0x94a087c 0x64>;
 			clocks = <&clk_sysin>;