etcd: sample conf file cluster node add

added support to install etcd-new.conf.sample in etc/etcd
path, which can be used for starting etcd cluster or node add.

This is only reference config file, which can be used for application
or users to easily customise node specific configuration.

Change-Id: I37072eb4ded0dfac88045e84ba816ea82438b355
Signed-off-by: ojayanth <ojayanth@in.ibm.com>
diff --git a/meta-phosphor/recipes-extended/etcd/etcd_%.bbappend b/meta-phosphor/recipes-extended/etcd/etcd_%.bbappend
new file mode 100644
index 0000000..9c91365
--- /dev/null
+++ b/meta-phosphor/recipes-extended/etcd/etcd_%.bbappend
@@ -0,0 +1,8 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
+SRC_URI:append = " file://etcd-new.conf.sample"
+
+do_install:append() {
+    install -m 0644 ${WORKDIR}/etcd-new.conf.sample -D -t ${D}${sysconfdir}
+}
+
+FILES:${PN}:append = " ${sysconfdir}/etcd-new.conf.sample"