systemd: add in-repo service file

Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
Change-Id: I7d565298e6f5b7b0ef75b43b04d503afaa4d2cd0
diff --git a/pldmd.service b/pldmd.service
new file mode 100644
index 0000000..3e97cc0
--- /dev/null
+++ b/pldmd.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=Phosphor PLDM Daemon
+Wants=mctp-demux.service
+After=mctp-demux.service
+Wants=mapper-wait@-xyz-openbmc_project-inventory.service
+After=mapper-wait@-xyz-openbmc_project-inventory.service
+
+[Service]
+Restart=always
+EnvironmentFile=/etc/default/pldmd
+ExecStart=/usr/bin/pldmd --verbose $VERBOSE
+
+[Install]
+WantedBy=multi-user.target