nicla_sense_me: add ADC pins A0 and A1

Fixes ArduinoBLE tests not passing due to missing ADC pin definitions.

Signed-off-by: Luca Burelli <l.burelli@arduino.cc>

Author: pillo79

variants/arduino_nicla_sense_me_nrf52832/arduino_nicla_sense_me_nrf52832.conf

@@ -16,7 +16,7 @@ CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=512
 # Host number of completed commands does not follow normal flow control.
 CONFIG_BT_BUF_CMD_TX_COUNT=10
 
-#CONFIG_ADC=y
+CONFIG_ADC=y
 #CONFIG_PWM=y
 
 CONFIG_LLEXT_STORAGE_WRITABLE=n

variants/arduino_nicla_sense_me_nrf52832/arduino_nicla_sense_me_nrf52832.overlay

@@ -30,8 +30,14 @@
 
 		builtin-led-gpios = <&gpio0 10 0>;		// TODO: fixme: use real i2c led (will need some magic like PureAnalog)
 
+		adc-pin-gpios = <&gpio0 2 0>,				// 10: A0 (AIN0)
+				<&gpio0 30 0>;				// 11: A1 (AIN6)
+
+		io-channels =	<&adc 0>,
+				<&adc 6>;
+
 		serials = <&uart0>;
 		i2cs = <&i2c1>;
 		spis = <&spi1>;
 	};
-};
+};