chassis: Ensure power on request made before wait

Fix intermittent power on timeout by ensuring that state manager
requests power on before beginning 30 second wait.

Signed-off-by: Jim Wright <jlwright@us.ibm.com>
Change-Id: I2b323932b7fcc79889df3571d3881c7d9b400dc7
diff --git a/meta-phosphor/recipes-phosphor/chassis/obmc-op-control-power/op-wait-power-on@.service b/meta-phosphor/recipes-phosphor/chassis/obmc-op-control-power/op-wait-power-on@.service
index df83832..3eccecb 100644
--- a/meta-phosphor/recipes-phosphor/chassis/obmc-op-control-power/op-wait-power-on@.service
+++ b/meta-phosphor/recipes-phosphor/chassis/obmc-op-control-power/op-wait-power-on@.service
@@ -6,6 +6,7 @@
 Before=obmc-power-start@%i.target
 Wants=mapper-wait@-org-openbmc-control-power%i.service
 After=mapper-wait@-org-openbmc-control-power%i.service
+After=op-power-start@%i.service
 Conflicts=obmc-chassis-poweroff@%i.target
 ConditionPathExists=!/run/openbmc/chassis@%i-on