ARM: dts: at91: sama7g5: add cells for temperature calibration

Add NVMEM cell to ADC for temperature calibration data.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>

Author: claudiubeznea

arch/arm/boot/dts/sama7g5.dtsi

@@ -512,6 +512,8 @@
 			atmel,max-sample-rate-hz = <20000000>;
 			atmel,startup-time-ms = <4>;
 			#io-channel-cells = <1>;
+			nvmem-cells = <&temperature_calib>;
+			nvmem-cell-names = "temperature_calib";
 			status = "disabled";
 		};