Make chassis start/stop depend on chassis power on/off

Change-Id: I5e4a0da68bfcebb12f3ac4161e63c145f9f73b0a
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
diff --git a/common/recipes-phosphor/chassis/obmc-op-control-power/op-power-start@.service b/common/recipes-phosphor/chassis/obmc-op-control-power/op-power-start@.service
index cae414f..e98d08f 100644
--- a/common/recipes-phosphor/chassis/obmc-op-control-power/op-power-start@.service
+++ b/common/recipes-phosphor/chassis/obmc-op-control-power/op-power-start@.service
@@ -6,7 +6,7 @@
 After=obmc-fan-control.target
 Wants=mapper-wait@-org-openbmc-control-power%i.service
 After=mapper-wait@-org-openbmc-control-power%i.service
-Conflicts=obmc-chassis-stop@%i.target
+Conflicts=obmc-power-chassis-off@%i.target
 
 [Service]
 RemainAfterExit=yes