superiotool: Add support for NCT6775F(A/B) and NCT6779D

Change-Id: I66667fcb58f6885460021f4a2024d6ba56b95f11
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-on: http://review.coreboot.org/1148
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
1 file changed