tests: drivers: Add LED GPIO driver to build_all

Change adds LED GPIO driver to build_all test.

Signed-off-by: Marek Pieta <Marek.Pieta@nordicsemi.no>

tests/drivers/build_all/app.overlay

@@ -126,6 +126,8 @@
 			#include "uart.dtsi"
 		};
 
+		#include "led.dtsi"
+
 		dht22 {
 			compatible = "aosong,dht";
 			status = "okay";

tests/drivers/build_all/led.conf

@@ -0,0 +1,4 @@
+CONFIG_TEST=y
+CONFIG_TEST_USERSPACE=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y

tests/drivers/build_all/led.dtsi

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2021, Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Application overlay for led devices
+ */
+
+test_gpio_leds {
+	compatible = "gpio-leds";
+	test_gpio_led0: test_gpio_led_0 {
+		gpios = <&test_gpio 0 0>;
+		label = "Test GPIO LED";
+	};
+};

tests/drivers/build_all/testcase.yaml

@@ -67,6 +67,11 @@ tests:
     min_ram: 32
     platform_exclude: serpente
     depends_on: gpio spi
+  drivers.led.build:
+    build_only: true
+    extra_args: CONF_FILE=led.conf
+    min_ram: 32
+    tags: drivers
   drivers.eeprom.build:
     build_only: true
     extra_args: CONF_FILE=eeprom.conf