x86: Fix Apollo Lake Watchdog address in PMC driver

The TCO I/O base is 40h rather than the usual 30h, and the re_reboot
bit is at ACPIBASE+8.

Signed-off-by: Yong, Jonathan <jonathan.yong@intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>