hwmon: (lm75) Add support for GMT G751 chip
This was tested on a NETGEAR ReadyNAS 2120 device (Marvell Armada XP
based board, via DT).
Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
authored by Arnaud Ebalard and committed by Guenter Roeck c98d6c65 2d3c6275