conf: Adjust wayland settings

May this be investigated on different boards

Relate-to: #11


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

conf/layer.conf

@@ -51,7 +51,10 @@ SERVICE_USER_GROUP:pn-ivi-homescreen-debug = "${IVI_HOMESCREEN_SERVICE_USER_GROU
 SERVICE_USER_GROUP:pn-ivi-homescreen-profile = "${IVI_HOMESCREEN_SERVICE_USER_GROUP}"
 SERVICE_USER_GROUP:pn-ivi-homescreen-release = "${IVI_HOMESCREEN_SERVICE_USER_GROUP}"
 
-IVI_HOMESCREEN_SERVICE_ENVIRONMENT = "Environment=HOME=/tmp\nEnvironment=XDG_RUNTIME_DIR=/run/user/1000\nEnvironment=WAYLAND_DISPLAY='wayland-1'"
+IVI_HOMESCREEN_SERVICE_ENVIRONMENT_WAYLAND_DISPLAY:qemux86-64 ?= 'wayland-1'
+IVI_HOMESCREEN_SERVICE_ENVIRONMENT_WAYLAND_DISPLAY ?= 'wayland-0'
+
+IVI_HOMESCREEN_SERVICE_ENVIRONMENT = "Environment=HOME=/tmp\nEnvironment=XDG_RUNTIME_DIR=/run/user/1000\nEnvironment=WAYLAND_DISPLAY=${IVI_HOMESCREEN_SERVICE_ENVIRONMENT_WAYLAND_DISPLAY}"
 SERVICE_ENVIRONMENT:pn-ivi-homescreen-debug = "${IVI_HOMESCREEN_SERVICE_ENVIRONMENT}"
 SERVICE_ENVIRONMENT:pn-ivi-homescreen-profile = "${IVI_HOMESCREEN_SERVICE_ENVIRONMENT}"
 SERVICE_ENVIRONMENT:pn-ivi-homescreen-release = "${IVI_HOMESCREEN_SERVICE_ENVIRONMENT}"