mv watchdog tree under drivers

move watchdog tree from drivers/char/watchdog to drivers/watchdog.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 4fb134d..34f40ea 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -58,6 +58,8 @@
 
 source "drivers/hwmon/Kconfig"
 
+source "drivers/watchdog/Kconfig"
+
 source "drivers/ssb/Kconfig"
 
 source "drivers/mfd/Kconfig"