samples: drivers: audio: dmic: Add nRF54L15 to the sample

nRF54L15 FP1 can now be used in dmic audio sample.

Signed-off-by: Michał Stasiak <[email protected]>

Author: mstasiaknordic

samples/drivers/audio/dmic/boards/nrf54l15dk_nrf54l15_cpuapp.overlay

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pinctrl {
+	pdm20_default_alt: pdm20_default_alt {
+		group1 {
+			psels = <NRF_PSEL(PDM_CLK, 1, 12)>,
+				<NRF_PSEL(PDM_DIN, 1, 13)>;
+		};
+	};
+};
+
+dmic_dev: &pdm20 {
+	status = "okay";
+	pinctrl-0 = <&pdm20_default_alt>;
+	pinctrl-names = "default";
+	clock-source = "PCLK32M";
+};

samples/drivers/audio/dmic/sample.yaml

@@ -7,6 +7,7 @@ tests:
     integration_platforms:
       - nrf52840dk/nrf52840
       - nrf5340dk/nrf5340/cpuapp
+      - nrf54l15dk/nrf54l15/cpuapp
     harness: console
     harness_config:
       type: multi_line