move watchdog tree from drivers/char/watchdog to drivers/watchdog.
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

Add mandatory WDIOC_GETSTATUS and WDIOC_GETBOOTSTATUS ioctl's for
drivers that don't have them yet.
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

This patch adds support for the MTX-1 boards watchdog. If not available the
board will reboot every 100 seconds. It uses the Linux watchdog and timer
APIs.
Signed-off-by: NFlorian Fainelli <florian.fainelli@int-evry.fr>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>