hwmon: (nct6775) Fix register for nct6799

Datasheet and variable name point to 0xe6

Fixes: aee395b ("hwmon: (nct6755) Add support for NCT6799D")
Signed-off-by: Ahmad Khalifa <ahmad@khalifa.ws>
Link: https://lore.kernel.org/r/20230715145831.1304633-1-ahmad@khalifa.ws
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Author: thekhalifa

drivers/hwmon/nct6775-platform.c

@@ -586,7 +586,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data, struct nct6775_sio_data *sio
 		int creb;
 		int cred;
 
-		cre6 = sio_data->sio_inb(sio_data, 0xe0);
+		cre6 = sio_data->sio_inb(sio_data, 0xe6);
 
 		sio_data->sio_select(sio_data, NCT6775_LD_12);
 		cre0 = sio_data->sio_inb(sio_data, 0xe0);