Add in support for power supply over-temperature

If a power supply encounters an over-temperature condition, the FAN
FAULT OR WARNING bit of the STATUS_WORD (low byte) command response
should be turned on. Ideally, when this is encountered, both power
supplies would be called out, as one condition that could lead to this
is due to the other supply putting out less current. Since each
monitoring application of the power supplies only knows its own
information, just the power supply indicating the condition will be
called out along with metadata containing potentially relevant command
response data.

Change-Id: I8f96828f85161050f73bb080392e1e8fef4a179b
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
diff --git a/xyz/openbmc_project/Power/Fault.errors.yaml b/xyz/openbmc_project/Power/Fault.errors.yaml
index 9f2e770..451f0fa 100644
--- a/xyz/openbmc_project/Power/Fault.errors.yaml
+++ b/xyz/openbmc_project/Power/Fault.errors.yaml
@@ -10,6 +10,8 @@
   description: The power supply detected an output overvoltage fault condition.
 - name: PowerSupplyFanFault
   description: The power supply detected bad fan operation.
+- name: PowerSupplyTemperatureFault
+  description: The power supply has had an over temperature condition.
 - name: Shutdown
   description: A power off was issued because a power fault was detected