Adding watchdog driver for sam SoC. The current implemntation just
diables the watchdog on device boot.
This PR adds the following support for SAM3X, SAM4S and SAME70
1. Activate processor reset
2. Activate all reset
3. Generate interrupt on watchdog timer expiration.
Signed-off-by: Subramanian Meenakshi Sundaram <subbu147@gmail.com>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Update the link to SAM3X8E datasheet and
update the minicom command to use sudo as
accessing the serial port requires root permission
Signed-off-by: Subramanian Meenakshi Sundaram <subbu147@gmail.com>
Subramanian Meenakshi Sundaram