staging/rdma/hfi1: Always download SBus firmware

B0 dual port parts require the SBus firmware to always be
downloaded.

Remove reset of the SBus Master spico.  It is not necessary
since the SBus firmware download already does that.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>