samples: ipc: openamp on esp32

Updating openamp samples to work on ESP32 targets.

Signed-off-by: Marek Matej <marek.matej@espressif.com>

Author: marekmatej

samples/subsys/ipc/openamp/Kconfig.sysbuild

@@ -16,3 +16,7 @@ string
 	default "frdm_mcxn947/mcxn947/cpu1" if $(BOARD) = "frdm_mcxn947"
 	default "mcx_n9xx_evk/mcxn947/cpu1" if $(BOARD) = "mcx_n9xx_evk"
 	default "mimxrt1180_evk/mimxrt1189/cm7" if $(BOARD) = "mimxrt1180_evk"
+	default "esp32s3_devkitm/esp32s3/appcpu" if $(BOARD) = "esp32s3_devkitm"
+	default "esp32s3_devkitc/esp32s3/appcpu" if $(BOARD) = "esp32s3_devkitc"
+	default "esp32_devkitc/esp32/appcpu" if $(BOARD) = "esp32_devkitc"
+	default "esp_wrover_kit/esp32/appcpu" if $(BOARD) = "esp_wrover_kitc"

samples/subsys/ipc/openamp/remote/socs/esp32_appcpu.overlay

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+		zephyr,ipc_shm = &shm0;
+		zephyr,ipc = &ipm0;
+	};
+};
+
+&ipm0 {
+	status = "okay";
+};

samples/subsys/ipc/openamp/remote/socs/esp32s3_appcpu.overlay

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+		zephyr,ipc_shm = &shm0;
+		zephyr,ipc = &ipm0;
+	};
+};
+
+&ipm0 {
+	status = "okay";
+};

samples/subsys/ipc/openamp/socs/esp32_procpu.overlay

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+		zephyr,ipc_shm = &shm0;
+		zephyr,ipc = &ipm0;
+	};
+};
+
+&ipm0 {
+	status = "okay";
+};

samples/subsys/ipc/openamp/socs/esp32s3_procpu.overlay

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+		zephyr,ipc_shm = &shm0;
+		zephyr,ipc = &ipm0;
+	};
+};
+
+&ipm0 {
+	status = "okay";
+};