[ARM] 5169/1: Defconfig for the EZX machines

This defconfig enables all currently available features. It also builds one
zImage which runs on all machines.
Signed-off-by: NAntonio Ospite <ao2@openezx.org>
Signed-off-by: NStefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>