IB/hfi1: Read all firmware versions

Read the version of the SBus, PCIe SerDes, and Fabric Serdes
firmwares at driver load time.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>