Change over-current warning value on witherspoon

The witherspoon power engineer has requested the lowering of the
over-current warning values

Testing: Going to let CI validate basic boot. The power engineer has
done his own more intense testing of these values.

Resolves openbmc/openbmc#3099

Change-Id: I4a2b2bb132dd43e05828e4c0ed3448dfd4237301
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
1 file changed