tests: drivers: adc: adc_api: added nRF5340 Audio DK overlay

The adc_api test was missing an overlay file for the nRF5340
Audio Dk board.

Signed-off-by: Tim Sørensen <tims@demant.com>

boards/nordic/nrf5340_audio_dk/nrf5340_audio_dk_nrf5340_cpuapp_common.dtsi

@@ -137,23 +137,6 @@ arduino_i2c: &i2c1 {
 	pinctrl-0 = <&i2c1_default>;
 	pinctrl-1 = <&i2c1_sleep>;
 	pinctrl-names = "default", "sleep";
-};
-
-arduino_spi: &spi4 {
-	compatible = "nordic,nrf-spim";
-	status = "okay";
-	cs-gpios = <&arduino_header 16 GPIO_ACTIVE_LOW>; /* D10 */
-	pinctrl-0 = <&spi4_default>;
-	pinctrl-1 = <&spi4_sleep>;
-	pinctrl-names = "default", "sleep";
-};
-
-&i2c1 {
-	compatible = "nordic,nrf-twim";
-	status = "okay";
-	pinctrl-0 = <&i2c1_default>;
-	pinctrl-1 = <&i2c1_sleep>;
-	pinctrl-names = "default", "sleep";
 
 	vbat_sensor: ina231@44 {
 		compatible = "ti,ina230";
@@ -200,14 +183,15 @@ arduino_spi: &spi4 {
 	};
 };
 
-&spi4 {
+arduino_spi: &spi4 {
 	compatible = "nordic,nrf-spim";
 	status = "okay";
-	cs-gpios = <&gpio0 11 GPIO_ACTIVE_LOW>, <&gpio0 17 GPIO_ACTIVE_LOW>;
+	cs-gpios = <&arduino_header 16 GPIO_ACTIVE_LOW>,
+		<&gpio0 11 GPIO_ACTIVE_LOW>, <&gpio0 17 GPIO_ACTIVE_LOW>;
 	pinctrl-0 = <&spi4_default>;
 	pinctrl-1 = <&spi4_sleep>;
 	pinctrl-names = "default", "sleep";
-	sdhc0: sdhc@0 {
+	sdhc0: sdhc@1 {
 		compatible = "zephyr,sdhc-spi-slot";
 		reg = <0>;
 		status = "okay";
@@ -219,7 +203,7 @@ arduino_spi: &spi4 {
 		spi-max-frequency = <8000000>;
 	};
 
-	cs47l63: cs47l63@1 {
+	cs47l63: cs47l63@2 {
 		compatible = "cirrus,cs47l63";
 		reg = <1>;
 		spi-max-frequency = <8000000>;

tests/drivers/adc/adc_api/boards/nrf5340_audio_dk_nrf5340_cpuapp.overlay

@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2023 Benjamin Björnsson <benjamin.bjornsson@gmail.com>
+ */
+
+#include "nordic,nrf-saadc-common.dtsi"