phosphor-networkd-rev.bbclass: bump version

Change-Id: Iab3a24bc5104e8d6ec32eed8b61151c765d75cc0
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/classes/phosphor-networkd-rev.bbclass b/classes/phosphor-networkd-rev.bbclass
index 97c48ae..766f229 100644
--- a/classes/phosphor-networkd-rev.bbclass
+++ b/classes/phosphor-networkd-rev.bbclass
@@ -1,2 +1,2 @@
 SRC_URI += "git://github.com/openbmc/phosphor-networkd"
-SRCREV = "210420aac714483ea4c1e8a303280df9c1b4e5c9"
+SRCREV = "6b371a12a04d45b96514df5b770119ca77584d9a"