MMIOT-35-1 arm64: dts: imx8mq: add dts node pointers

These pointers are required for drm dts

Signed-off-by: Antoine Bouyer <antoine.bouyer@nxp.com>
(cherry picked from commit 5f048351c272121cb82481a680407c415a898b3e)
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mq.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8mq.dtsi
index dce2ec1..d7569d9 100755
--- a/arch/arm64/boot/dts/freescale/fsl-imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8mq.dtsi
@@ -67,7 +67,7 @@
 		reg = <0x00000000 0x40000000 0 0xc0000000>;
 	};
 
-	reserved-memory {
+	resmem: reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
@@ -1152,7 +1152,7 @@
 		status = "disabled";
 	};
 
-	imx_ion {
+	imx_ion: imx_ion {
 		compatible = "fsl,mxc-ion";
 		fsl,heap-id = <0>;
 	};