Add ErriezMCP23017 submodule

Erriez · Erriez · commit 582c7ee19c1c · 2020-08-28T22:32:36.000+02:00
diff --git a/.gitmodules b/.gitmodules
@@ -49,3 +49,6 @@
 [submodule "libraries/ErriezCRC32"]
 	path = libraries/ErriezCRC32
 	url = https://github.com/Erriez/ErriezCRC32.git
+[submodule "ErriezMCP23017"]
+	path = ErriezMCP23017
+	url = https://github.com/Erriez/ErriezMCP23017
diff --git a/ErriezMCP23017 b/ErriezMCP23017
@@ -0,0 +1 @@
+Subproject commit e0abdea13e770c13ecfd90c8cb24ac38fd9f3312
