Modify the net-ipmid recipe to support systemd socket activation

Resolves openbmc/openbmc#914

Change-Id: I5cb697cbc3b7a33188abe392bef2202b84bcef0c
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/common/recipes-phosphor/net-ipmid/phosphor-net-ipmid/phosphor-net-ipmid.socket b/common/recipes-phosphor/net-ipmid/phosphor-net-ipmid/phosphor-net-ipmid.socket
new file mode 100644
index 0000000..077b780
--- /dev/null
+++ b/common/recipes-phosphor/net-ipmid/phosphor-net-ipmid/phosphor-net-ipmid.socket
@@ -0,0 +1,6 @@
+[Socket]
+ListenDatagram=623
+
+[Install]
+WantedBy=sockets.target
+