qt5: set default QT_QPA_PLATFORM values for mp1 platforms

Otherwise, launching a Qt5 app will result in errors and the QPA platform will
need to be set manually to get it to work.

Signed-off-by: Gabriel Valcazar <gabriel.valcazar@digi.com>

meta-digi-dey/dynamic-layers/qt5-layer/STM/recipes-qt/qt5/qtbase/qt5.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+export QT_QPA_PLATFORM="wayland"
+
+[ -f "/etc/profile.d/weston_profile.sh" ] && return
+
+# Use EGLFS platform plugin for images without Wayland
+export QT_QPA_PLATFORM="eglfs" QT_QPA_EGLFS_INTEGRATION="eglfs_viv"

meta-digi-dey/dynamic-layers/qt5-layer/STM/recipes-qt/qt5/qtbase_git.bbappend

@@ -4,3 +4,12 @@ PACKAGECONFIG_GL = " ${@bb.utils.contains('DISTRO_FEATURES', 'opengl', 'gles2',
 PACKAGECONFIG:append = " eglfs examples accessibility "
 QT_CONFIG_FLAGS += " -no-sse2 -no-opengles3"
 
+SRC_URI:append = " \
+    file://qt5.sh \
+"
+do_install:append () {
+    install -d ${D}${sysconfdir}/profile.d/
+    install -m 0755 ${WORKDIR}/qt5.sh ${D}${sysconfdir}/profile.d/qt5.sh
+}
+
+FILES:${PN} += "${sysconfdir}/profile.d/qt5.sh"