Witherspoon: Update fan non-func after 20sec

Initial Witherspoon thermal specs showed 20sec was to be used in
determining when a fan is non functional.

Change-Id: I82d46f2e11040e34e6f91a7fb93df3bc4527e0b4
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
1 file changed