Update submodule URL to hardkernel/wiringPi
diff --git a/.gitmodules b/.gitmodules
index 1dbeda0..9fb3c5c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "WiringPi"]
 	path = WiringPi
-	url = https://github.com/wiringPi/WiringPi
+	url = https://github.com/hardkernel/wiringPi.git
+	branch = dev