obtain_one_firmware
err = obtain_one_firmware(dd, fw_sbus_name, &fw_sbus);
err = obtain_one_firmware(dd, fw_pcie_serdes_name, &fw_pcie);
err = obtain_one_firmware(dd, fw_fabric_serdes_name,
err = obtain_one_firmware(dd, fw_8051_name, &fw_8051);