phosphor-network: Add python-ipy RDEPEND

A recent change in the upstream package requires an additional
python dependency.  Add now.

Change-Id: I83d0cbe79007f6a6885b7578ad8d60d010c0417f
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/network/network.bb b/common/recipes-phosphor/network/network.bb
index 420e0b4..8eac408 100644
--- a/common/recipes-phosphor/network/network.bb
+++ b/common/recipes-phosphor/network/network.bb
@@ -9,7 +9,7 @@
 
 SYSTEMD_SERVICE_${PN} += "network.service network-update-dns.service"
 
-RDEPENDS_${PN} += "python-dbus python-pygobject"
+RDEPENDS_${PN} += "python-dbus python-pygobject python-ipy"
 
 SRC_URI += "git://github.com/openbmc/phosphor-networkd"