arm64: dts: ls1028a-rdb: enable optee node

optee node was disabled by default, enabling it for ls1028a-rdb.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Sahil Malhotra <sahil.malhotra@nxp.com>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts

@@ -275,6 +275,10 @@
 	status = "okay";
 };
 
+&optee {
+	status = "okay";
+};
+
 &sai4 {
 	status = "okay";
 };

arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi

@@ -88,7 +88,7 @@
 	};
 
 	firmware {
-		optee {
+		optee: optee  {
 			compatible = "linaro,optee-tz";
 			method = "smc";
 			status = "disabled";