reset atmel-samd submodule to correct commit

JoeBakalor · JoeBakalor · commit 03ea9ff66ee5 · 2019-12-16T16:31:44.000-05:00
diff --git a/ports/atmel-samd/peripherals b/ports/atmel-samd/peripherals
@@ -1 +1 @@
-Subproject commit 2ba5b20ba725e1c91c77875fba3a5e22059cdb92
+Subproject commit 4c0deecf889da0074c1dbc9a5e2d24cb7c7a31c6
