arm: dts: tqma7: add eeprom nvmem-layout

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

Revert this commit once the upstream linux device trees are
accepted and synchronized.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Feilke <alexander.feilke@ew.tq-group.com>

arch/arm/dts/imx7s-tqma7-u-boot.dtsi

@@ -9,6 +9,18 @@
 
 #include "imx7s-u-boot.dtsi"
 
+&m24c64 {
+	nvmem-layout {
+		compatible = "fixed-layout";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		module_info: module-info@20 {
+			reg = <0x20 0x60>;
+		};
+	};
+};
+
 &soc {
 	bootph-pre-ram;
 };