[WATCHDOG] AR7: watchdog timer

Driver for the watchdog timer. Still doesn't reboots the machine
on some boards, but we have improved and cleaned it

Signed-off-by: Matteo Croce <technoboy85@gmail.com>
Signed-off-by: Nicolas Thill <nico@openwrt.org>
Signed-off-by: Enrik Berkhan <Enrik.Berkhan@akk.org>
Signed-off-by: Christer Weinigel <wingel@nano-system.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 389f8b1..7d9e573 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -90,6 +90,7 @@
 obj-$(CONFIG_INDYDOG) += indydog.o
 obj-$(CONFIG_WDT_MTX1)	+= mtx-1_wdt.o
 obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o
+obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
 
 # PARISC Architecture