additional asf4 updates

jepler · jepler · commit b49099c8f3dd · 2020-09-08T15:31:13.000-05:00
diff --git a/ports/atmel-samd/asf4 b/ports/atmel-samd/asf4
@@ -1 +1 @@
-Subproject commit f99e36fb008588bd9ff005099b3b89b7952fcfba
+Subproject commit 1b87f18f8091f258e63f85cef54bcc7bafd44598
