Updated Working on Raspberry Pi (markdown)

Working-on-Raspberry-Pi.md

@@ -78,6 +78,11 @@ To build raylib:
 make PLATFORM=PLATFORM_DRM
 ```
 
+In order to enable necessary system support for raylib, you need the following line in your /boot/config.txt on Raspberry PI.
+
+`dtoverlay=vc4-fkms-v3d`
+
+
 ##### DietPi
 raylib also works on the [DietPi](https://dietpi.com/) distribution, though the following libraries are required prior to building raylib:
 ```