Add mihawk phosphor-ipmi-net for 2nd NIC

Change-Id: I3fcdb9de460b2aab0ad6d4fdb85c63fc42117881
Signed-off-by: Alvin Wang <alvinwang@msn.com>
diff --git a/meta-witherspoon/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend b/meta-witherspoon/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend
new file mode 100644
index 0000000..c847c05
--- /dev/null
+++ b/meta-witherspoon/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend
@@ -0,0 +1,6 @@
+ALT_RMCPP_IFACE_mihawk  = "eth1"
+SYSTEMD_SERVICE_${PN}_append_mihawk += " \
+    ${PN}@${ALT_RMCPP_IFACE}.service \
+    ${PN}@${ALT_RMCPP_IFACE}.socket \
+    "
+