[WATCHDOG] IT8212F watchdog driver

This patch adds support for the ITE Tech Inc. IT8712F EC-LPC Super I/O 
chipset found on many Pentium III and AMD motherboards. Developed using code 
from other watchdog drivers and the datasheet on ITE Tech homepage.

Signed-off-by: Jorge Boncompte <jorge@dti2.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

drivers/watchdog/Kconfig

@@ -392,6 +392,16 @@ config ITCO_VENDOR_SUPPORT
 	  devices. At this moment we only have additional support for some
 	  SuperMicro Inc. motherboards.
 
+config IT8712F_WDT
+	tristate "IT8712F (Smart Guardian) Watchdog Timer"
+	depends on X86
+	---help---
+	  This is the driver for the built-in watchdog timer on the IT8712F
+	  Super I/0 chipset used on many motherboards.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called it8712f_wdt.
+
 config SC1200_WDT
 	tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
 	depends on X86

drivers/watchdog/Makefile

@@ -66,6 +66,7 @@ obj-$(CONFIG_IBMASR) += ibmasr.o
 obj-$(CONFIG_WAFER_WDT) += wafer5823wdt.o
 obj-$(CONFIG_I6300ESB_WDT) += i6300esb.o
 obj-$(CONFIG_ITCO_WDT) += iTCO_wdt.o iTCO_vendor_support.o
+obj-$(CONFIG_IT8712F_WDT) += it8712f_wdt.o
 obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o
 obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o
 obj-$(CONFIG_PC87413_WDT) += pc87413_wdt.o