MAINTAINERS: include Arduino shields in the Arduino category

This commit adds the Arduino shields under the same assignees as the
rest of the Arduino platforms.

Signed-off-by: Luca Burelli <[email protected]>

Author: pillo79

MAINTAINERS.yml

@@ -183,6 +183,7 @@ Arduino Platforms:
     - facchinm
   files:
     - boards/arduino/
+    - boards/shields/arduino_*/
     - drivers/*/*modulino*
 
 ARM arch: