Add Witherspoon thermal policy

Add Witherspoon thermal policy rules for the Witherspoon system.

Do not allow the system to remain running when three or more
POWER9 cores have a temperature of gte 115 degrees C.

Resolves: openbmc/openbmc#1186

Change-Id: Idaf7b78c06de543ada477059867d40df4c86d8c6
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
3 files changed