Add sd unit file for vcs_on.sh

Add systemd unit, which starts vcs_on script after vcs workaround.

Partially resolves openbmc/openbmc#647

Change-Id: Ibf13a24b592d6d526b1c599d8f7b4eb8c7596150
Signed-off-by: Sergey Solomin <sergey.solomin@us.ibm.com>
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/vcs_on@.service b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/vcs_on@.service
new file mode 100644
index 0000000..26538bb
--- /dev/null
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/vcs_on@.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Turn VCS on
+Wants=vcs_workaround@.service
+After=vcs_workaround@.service
+Conflicts=obmc-chassis-stop@%i.target
+
+[Service]
+ExecStart={bindir}/vcs_on.sh
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=obmc-chassis-start@%i.target