arm64: dts: lx2162a-sr-som: add crypto & rtc aliases, model

Add aliases for crypto accelerator and rtc0 ensuring that on-SoM RTC and
the SoC A72 domain crypto accelerator are assigned first index.

Further set model and compatible strings which are informative but
overridden by actual boards.

Signed-off-by: Josua Mayer <josua@solid-run.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>

Author: Josua-SR

arch/arm64/boot/dts/freescale/fsl-lx2162a-sr-som.dtsi

@@ -5,6 +5,16 @@
 // Copyright 2021 Rabeeh Khoury <rabeeh@solid-run.com>
 // Copyright 2023 Josua Mayer <josua@solid-run.com>
 
+/ {
+	model = "SolidRun LX2162A System on Module";
+	compatible = "solidrun,lx2162a-som", "fsl,lx2160a";
+
+	aliases {
+		crypto = &crypto;
+		rtc0 = &som_rtc;
+	};
+};
+
 &crypto {
 	status = "okay";
 };
@@ -77,7 +87,7 @@
 &i2c5 {
 	status = "okay";
 
-	rtc@6f {
+	som_rtc: rtc@6f {
 		compatible = "microchip,mcp7940x";
 		reg = <0x6f>;
 	};