samples: usb: uvc: add stm32n6570_dk conf files for VENC

Add board specific conf files for the stm32n6570_dk when
using the VENC H264 encoder.

Signed-off-by: Alain Volmat <[email protected]>

Author: Alain Volmat

samples/subsys/usb/uvc/boards/stm32n6570_dk_stm32n657xx_fsbl_venc.conf

@@ -0,0 +1,5 @@
+# Enough for 2592x1944 frames
+CONFIG_VIDEO_BUFFER_POOL_SZ_MAX=10100000
+CONFIG_MAIN_STACK_SIZE=4096
+
+CONFIG_VIDEO_ENCODER_H264=y

samples/subsys/usb/uvc/boards/stm32n6570_dk_stm32n657xx_fsbl_venc.overlay

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2025 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+		zephyr,videoenc = &venc;
+	};
+
+	uvc: uvc {
+		compatible = "zephyr,uvc-device";
+	};
+};

samples/subsys/usb/uvc/boards/stm32n6570_dk_stm32n657xx_sb_venc.conf

@@ -0,0 +1,5 @@
+# Enough for 2592x1944 frames
+CONFIG_VIDEO_BUFFER_POOL_SZ_MAX=10100000
+CONFIG_MAIN_STACK_SIZE=4096
+
+CONFIG_VIDEO_ENCODER_H264=y

samples/subsys/usb/uvc/boards/stm32n6570_dk_stm32n657xx_sb_venc.overlay

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2025 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+		zephyr,videoenc = &venc;
+	};
+
+	uvc: uvc {
+		compatible = "zephyr,uvc-device";
+	};
+};

samples/subsys/usb/uvc/boards/stm32n6570_dk_venc.conf

@@ -0,0 +1,5 @@
+# Enough for 2592x1944 frames
+CONFIG_VIDEO_BUFFER_POOL_SZ_MAX=10100000
+CONFIG_MAIN_STACK_SIZE=4096
+
+CONFIG_VIDEO_ENCODER_H264=y

samples/subsys/usb/uvc/boards/stm32n6570_dk_venc.overlay

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2025 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+		zephyr,videoenc = &venc;
+	};
+
+	uvc: uvc {
+		compatible = "zephyr,uvc-device";
+	};
+};