meta-romulus: Do not run vrm control when chassis on

VRM control is part of power on sequence and should not run when power
is already on.
Add condition to not run this service when chassis is is on.

Change-Id: I7b4f4f8c9d7852871c33c3915b396dddf2c1afd5
Signed-off-by: Lei YU <mine260309@gmail.com>
diff --git a/meta-ibm/meta-romulus/recipes-phosphor/chassis/vrm-control/vrm-control@.service b/meta-ibm/meta-romulus/recipes-phosphor/chassis/vrm-control/vrm-control@.service
index 5d072ad..22f0aeb 100644
--- a/meta-ibm/meta-romulus/recipes-phosphor/chassis/vrm-control/vrm-control@.service
+++ b/meta-ibm/meta-romulus/recipes-phosphor/chassis/vrm-control/vrm-control@.service
@@ -4,6 +4,7 @@
 After=avsbus-disable@%i.service
 Before=avsbus-enable@%i.service
 Conflicts=obmc-chassis-poweroff@%i.target
+ConditionPathExists=!/run/openbmc/chassis@%i-on
 
 [Service]
 ExecStart=/usr/bin/env vrm.sh