dbus: disable bundled initscript

Otherwise it will install $(TARGET_DIR)/etc/rc.d/init.d/messagebus when
building on a redhat/fedora host.
Regardless of that we provide our own initscript.

Signed-off-by: Gustavo Zacarias <gustavo.zacarias@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/dbus/dbus.mk

@@ -32,7 +32,8 @@ DBUS_CONF_OPTS = \
 	--disable-dnotify \
 	--with-xml=expat \
 	--with-system-socket=/var/run/dbus/system_bus_socket \
-	--with-system-pid-file=/var/run/messagebus.pid
+	--with-system-pid-file=/var/run/messagebus.pid \
+	--with-init-scripts=none
 
 ifeq ($(BR2_STATIC_LIBS),y)
 DBUS_CONF_OPTS += LIBS='-pthread'