OWX_SER: fix hang in initialization when DS2480 does not respond to initial reset

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5592 2b470e98-0d58-463d-a4d8-8e2adae1ed80
configDB - added number of stored files into configdb info

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5593 2b470e98-0d58-463d-a4d8-8e2adae1ed80