bump gateware to absorb some CI fixes

bunnie · bunnie · commit 5d95aef9020e · 2022-01-06T18:37:59.000+08:00
diff --git a/deps/gateware b/deps/gateware
@@ -1 +1 @@
-Subproject commit 20a43ceda060cf171848bbe9723fc17038bb3e1b
+Subproject commit 63545f1dbebd9458b7c14d1f92776b3a0bb7cd39
