Automatically check for chassis power on BMC reboot

Run the obmc-chassis-reset@.target:
- Check if pgood is on
- If it is, create the file in /run/openbmc/chassis@%i-on and
- Run the systemctl command to start the chassis power on target

Resolves openbmc/openbmc#1094

Change-Id: I93f94fc1b75e35fd353387d0bed5569e07615171
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
diff --git a/common/recipes-core/systemd/obmc-targets/obmc-chassis-reset@.target b/common/recipes-core/systemd/obmc-targets/obmc-chassis-reset@.target
index 1741d41..ce9e3b0 100644
--- a/common/recipes-core/systemd/obmc-targets/obmc-chassis-reset@.target
+++ b/common/recipes-core/systemd/obmc-targets/obmc-chassis-reset@.target
@@ -2,3 +2,6 @@
 Description=Chassis%i (Reset Check)
 Conflicts=obmc-power-chassis-off%i.target
 RefuseManualStop=yes
+
+[Install]
+WantedBy={SYSTEMD_DEFAULT_TARGET}