fpga: m10bmc-sec: Fix rsu_send_data() to return FW_UPLOAD_ERR_HW_ERROR

rsu_send_data() should return FW_UPLOAD_ERR_* error codes instead of
normal -Exxxx codes. Convert <0 return from ->rsu_status() to
FW_UPLOAD_ERR_HW_ERROR.

Fixes: 001a734a ("fpga: m10bmc-sec: Make rsu status type specific")
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Russ Weight <russell.h.weight@intel.com>
Cc: <stable@vger.kernel.org>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230208080846.10795-1-ilpo.jarvinen@linux.intel.com


Signed-off-by: Xu Yilun <yilun.xu@intel.com>