[PATCH] powerpc: Add support for the MPC83xx watchdog

Add support for the PowerPC MPC83xx watchdog.  The MPC83xx has a simple
watchdog that once enabled it can not be stopped, has some simple timeout
range selection, and the ability to either reset the processor or take a
machine check.

Signed-off-by: Dave Updegraff <dave@cray.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig
index f68aaa6..c0dfcf2 100644
--- a/drivers/char/watchdog/Kconfig
+++ b/drivers/char/watchdog/Kconfig
@@ -423,6 +423,10 @@
 	tristate "MPC8xx Watchdog Timer"
 	depends on WATCHDOG && 8xx
 
+config 83xx_WDT
+	tristate "MPC83xx Watchdog Timer"
+	depends on WATCHDOG && PPC_83xx
+
 config MV64X60_WDT
 	tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
 	depends on WATCHDOG && MV64X60