zephyr-demo-smarthome-led: Introduce LED board image

Demo consists of two IOT endpoints: sensors board
and bulb/LED board.
Add image to specialize base settings to the LED board's
configuration. In this case settings related to LCD display
and sensors are disabled.

Signed-off-by: Zbigniew Bodek <zbigniew.bodek@huawei.com>

meta-ohos-demo/recipes-kernel/zephyr-kernel/zephyr-demo-smarthome-led.bb

+# SPDX-FileCopyrightText: Huawei Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+require zephyr-demo-smarthome-base.bb
+
+SUMMARY = "SmartHome demo image: smart LED"
+DESCRIPTION = "Zephyr based image targeting smart LED board"
+LICENSE = "Apache-2.0"
+
+# Comment out features not used by this image
+do_configure_append() {
+	sed -i '/^CONFIG_I2C/ s/./#&/' ${ZEPHYR_SRC_DIR}/prj.conf
+	sed -i '/^CONFIG_DISPLAY/ s/./#&/' ${ZEPHYR_SRC_DIR}/prj.conf
+	sed -i '/^CONFIG_GROVE_LCD_RGB/ s/./#&/' ${ZEPHYR_SRC_DIR}/prj.conf
+	sed -i '/^CONFIG_SENSOR/ s/./#&/' ${ZEPHYR_SRC_DIR}/prj.conf
+	sed -i '/^CONFIG_DHT/ s/./#&/' ${ZEPHYR_SRC_DIR}/prj.conf
+	sed -i '/^CONFIG_GROVE_HPS/ s/./#&/' ${ZEPHYR_SRC_DIR}/prj.conf
+}