ARM: dts: imx7: add nvmem-layout

TQMa7 has board-information located in EEPROM at offset 0x20.
Add necessary nodes and properties for nvmem cell.

Signed-off-by: Alexander Feilke <Alexander.Feilke@ew.tq-group.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>

Author: Alexander Feilke

arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi

@@ -151,6 +151,16 @@
 		reg = <0x50>;
 		pagesize = <32>;
 		vcc-supply = <&vgen4_reg>;
+
+		nvmem-layout {
+			compatible = "fixed-layout";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			module_info: module-info@20 {
+				reg = <0x20 0x60>;
+			};
+		};
 	};
 
 	at24c02: eeprom@56 {