Add correct USB cable

Author: sebromero

content/tutorials/portenta-h7/ec-ard-gs/content.md

@@ -18,7 +18,7 @@ The Edge Control board is a versatile tool that allows agriculturalists to devel
 
 ### Required Hardware and Software
 -   Arduino Edge Control (<https://store.arduino.cc/edge-control>)
--   USB C cable (either USB A to USB C or USB C to USB C)
+-   Micro USB cable
 -   Arduino IDE 1.8.10+
 -   External power source : a 12V LiPo/SLA battery or power supply 
 -   1x Phoenix connector