Input routing and scaling for this board was read from schematic of a
similar MSI MS-7B00 (B350 Gaming Pro Carbon) board.
temp5 on the MS-7B00 schematic is a thermistor under the B350 chip itself.
However, on my MS-7A34 board the reading is stuck at 23°C.
Judging from MS-7A34 board sensor readings that other people had posted
online the sensor seems to work properly for them, so I have left it
enabled.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>