meta-witherspoon: Order vcs_on before obmc-host-start

Fix missing instantiation parameter for vcs_workaround unit.

Signed-off-by: Xo Wang <xow@google.com>
Change-Id: I86e6e9d404cf81878b86814d0330fff6a136ceac
diff --git a/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/vcs_on@.service b/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/vcs_on@.service
index 26538bb..c86bd43 100644
--- a/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/vcs_on@.service
+++ b/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/vcs_on@.service
@@ -1,7 +1,9 @@
 [Unit]
 Description=Turn VCS on
-Wants=vcs_workaround@.service
-After=vcs_workaround@.service
+Wants=vcs_workaround@%i.service
+After=vcs_workaround@%i.service
+Wants=obmc-host-start-pre@%i.target
+Before=obmc-host-start-pre@%i.target
 Conflicts=obmc-chassis-stop@%i.target
 
 [Service]