meta-ibm: sbp1: ipmi-net: Update ALT_RMCPP_IFACE

SBP1 BMC has two network interface i.e., eth0/1.
Update ALT_RMCPP_IFACE to eth1.

TEST=Build for sbp1, check working of IPMI command:
ipmitool -C 17 -H 10.93.130.28 -U root -P 0penBmc -I lanplus \
fru print

Change-Id: Ibb2325b7b0760f2dfd1057a908100a98098eb774
Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
diff --git a/meta-ibm/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend b/meta-ibm/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend
index e7973c8..72892d2 100644
--- a/meta-ibm/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend
+++ b/meta-ibm/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend
@@ -11,6 +11,12 @@
     ${PN}@${ALT_RMCPP_IFACE}.socket \
     "
 
+ALT_RMCPP_IFACE:sbp1 = "eth1"
+SYSTEMD_SERVICE:${PN}:append:sbp1 = " \
+    ${PN}@${ALT_RMCPP_IFACE}.service \
+    ${PN}@${ALT_RMCPP_IFACE}.socket \
+    "
+
 FILESEXTRAPATHS:prepend:p10bmc := "${THISDIR}/${PN}:"
 SRC_URI:append:p10bmc = " file://first-boot-disable-ipmi-net.service"
 SYSTEMD_SERVICE:${PN}:append:p10bmc = " first-boot-disable-ipmi-net.service"