boot2qt-addons: update recipes

Update with demos & deviceutilities recipes with latest 5.15 branch SRCREVs

Change-Id: Iabac2adf793c76de93ad999db37647d8b9b1cea8
Reviewed-by: Samuli Piippo <samuli.piippo@qt.io>

meta-boot2qt/recipes-qt/boot2qt-addons/boot2qt-demo.inc

 ############################################################################
 ##
-## Copyright (C) 2019 The Qt Company Ltd.
+## Copyright (C) 2020 The Qt Company Ltd.
 ## Contact: https://www.qt.io/licensing/
 ##
 ## This file is part of the Boot to Qt meta layer.
@@ -37,9 +37,9 @@ QT_MODULE = "boot2qt-demos"
 
 FILESEXTRAPATHS_prepend := "${THISDIR}/boot2qt-demos:"
 
-BRANCH = "5.14"
+BRANCH = "5.15"
 
-SRCREV = "be1e3a7c2c3c78679603cd03d559309fe764992d"
+SRCREV = "6c6644c19f61d79ef9e11bac48e8efc9a0d624dc"
 
 FILES_${PN} += " \
     /data/user \

meta-boot2qt/recipes-qt/qt5/qtdeviceutilities_git.bb

 ############################################################################
 ##
-## Copyright (C) 2019 The Qt Company Ltd.
+## Copyright (C) 2020 The Qt Company Ltd.
 ## Contact: https://www.qt.io/licensing/
 ##
 ## This file is part of the Boot to Qt meta layer.
@@ -34,7 +34,7 @@ LIC_FILES_CHKSUM = "file://LICENSE.GPL3;md5=d32239bcb673463ab874e80d47fae504"
 inherit qt5-module
 require recipes-qt/qt5/qt5-git.inc
 
-SRCREV = "0c9a5da209d684c4863edecb9477b6323d3daca9"
+SRCREV = "a0c84d6b03a1cc6ca796e1934a7cf278b7e94398"
 
 DEPENDS = "\
     qtbase qtdeclarative qtconnectivity qtdeclarative-native \