Add service and recipe for PGOOD fail errors

The service starts the witherspoon-pseq-monitor application.

The service will start right after a power on has been
kicked off and will create an error log if PGOOD doesn't
come on in a certain amount of time.

Future witherspoon-pseq-monitor enhancements will add more
functionality to analyze the power sequencer chip to see
which hardware was the actual cause of the fail.

Resolves openbmc/openbmc#2147

Change-Id: Ia64c59985da57352a007dcaab82d317cdec0fa50
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/witherspoon-pseq-monitor-pgood.service b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/witherspoon-pseq-monitor-pgood.service
new file mode 100644
index 0000000..010be6f
--- /dev/null
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/witherspoon-pseq-monitor-pgood.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Witherspoon Power Sequencer Power-on Monitor
+Wants=op-power-start@0.service
+After=op-power-start@0.service
+Conflicts=obmc-chassis-poweroff@0.target
+ConditionPathExists=!/run/openbmc/chassis@0-on
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/env witherspoon-pseq-monitor -a pgood-monitor -i 5
+SyslogIdentifier=witherspoon-pseq-monitor