IB/hfi1: Adjust high temperature warning for QSFP cable

When we receive a QSFP_HIGH_TEMP_ALARM or QSFP_HIGH_TEMP_WARNING
interrupt, print a "QSFP cable temperature too high" message.

Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Neel Desai <neel.desai@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>