r-g/t/ivi-homescreen: Support without gstreamer

Relate-to: #10
Relate-to: https://github.com/meta-flutter/meta-flutter/pull/126


Signed-off-by: Philippe Coval <philippe.coval.ext@huawei.com>

recipes-graphics/toyota/ivi-homescreen-%.bbappend

+# SPDX-FileCopyrightText: Huawei Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# TODO: https://github.com/meta-flutter/meta-flutter/pull/126
+# BUILD_PLUGIN_GSTREAMER_EGL=OFF should be defined too for wayland
+PACKAGECONFIG[gstreamer] = "-DBUILD_PLUGIN_GSTREAMER=ON, -DBUILD_PLUGIN_GSTREAMER=OFF -DBUILD_PLUGIN_GSTREAMER_EGL=OFF, gstreamer1.0 gstreamer1.0-plugins-base ffmpeg"
+