the watchdog driver based on
https://github.com/torvalds/linux/blob/v4.6/drivers/watchdog/it87_wdt.c
to support chip ITE8786

1. Install build-essential packages
	sudo apt-get install build-essential

2. Compile the driver
	make

3. Compile and install the driver
	make install

4. Load the watchdog driver
	modprobe it8786_wdt
 
