phosphor-networkd-rev.bbclass: bump version

Change-Id: Ibec208c314dd5e7ff122fcdf7e558e4123545fe1
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/classes/phosphor-networkd-rev.bbclass b/classes/phosphor-networkd-rev.bbclass
index 6486c1d..9356459 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 = "1caa2309d0335c66b7fc683f9c7d7b1214672897"
+SRCREV = "70c7e5b5f4fa01308f89266142aa1c4fc8181231"