network: Add the ncsi-netlink service

This service file needs to be started only for
witherspoon.
This is used to stop the ethernet port failover
on the system.

Resolves openbmc/openbmc#2931

Change-Id: I0f144942df1d77de4d990a4aad8d9764d8455251
Signed-off-by: Ratan Gupta <ratagupt@in.ibm.com>
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/network/network.bbappend b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/network/network.bbappend
new file mode 100644
index 0000000..7e0dc2f
--- /dev/null
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/network/network.bbappend
@@ -0,0 +1,2 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+SYSTEMD_SERVICE_${PN} += "ncsi-netlink.service"