board: Fixing ADC API tests for W5500_EVB_PICO.

When duplicating the rpi_pico board, I had missed this test file.

Signed-off-by: Ian Wakely <[email protected]>

Author: raveious

tests/drivers/adc/adc_api/boards/w5500_evb_pico.overlay

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2023 Benjamin Björnsson <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	zephyr,user {
+		io-channels = <&adc 0>, <&adc 1>;
+	};
+};
+
+&adc {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	channel@0 {
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+
+	channel@1 {
+		reg = <1>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+};