Merge pull request #1465 from darrylb123/patch-2

Update MAX31855.md to Add link to SetOption94

Author: arendst

docs/MAX31855.md

@@ -23,6 +23,8 @@ MX31855 DO|DO|
 |Vin|3-5V if using Adafruit's breakout.
 |GND|
 
+Use [SetOption94](https://tasmota.github.io/docs/Commands/#setoption94) to choose the appropriate driver (MAX31855 or MAX6675)
+
 ## Example Project
 
 This example shows two thermocouple amplifier breakouts wired up to one [Huzzah ESP8266](https://templates.blakadder.com/adafruit_HUZZAH.html). The peripherals use the same `CLK` and `DO` pins, but each has a separate `CS`.