update sonic-platform-common submodule for xcvrd support (#1901)

keboliu · lguohan · commit 97b5f3d46239 · 2018-09-06T07:42:43.000Z
diff --git a/src/sonic-platform-common b/src/sonic-platform-common
@@ -1 +1 @@
-Subproject commit 76ae431e41dca1255f8056b590668c9ca187f031
+Subproject commit d98600e8ed8df0280cb07487132e20adc48d7f6e
