Add sd unit file for start_host.sh

Add systemd unit, which starts start_host script after vcs on.

Partially resolves openbmc/openbmc#647

Change-Id: Ieaa3713ce200bc5f156ba0e4548e264de6918e45
Signed-off-by: Sergey Solomin <sergey.solomin@us.ibm.com>
diff --git a/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/host/op-pdbg-host-control/start_host@.service b/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/host/op-pdbg-host-control/start_host@.service
new file mode 100644
index 0000000..6b29110
--- /dev/null
+++ b/meta-openbmc-machines/meta-openpower/common/recipes-phosphor/host/op-pdbg-host-control/start_host@.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Use pdbg to send putcfam command to start IPL
+Wants=vcs_on@.service
+After=vcs_on@.service
+Conflicts=obmc-chassis-stop@%i.target
+
+[Service]
+ExecStart={bindir}/start_host.sh
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=obmc-chassis-start@%i.target