scsi: fdomain: Call scsi_done() directly

Conditional statements are faster than indirect calls. Hence call
scsi_done() directly.

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Bart Van Assche <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/fdomain.c

···
 {
 	outb(0, fd->base + REG_ICTL);
 	fdomain_make_bus_idle(fd);
-	fd->cur_cmd->scsi_done(fd->cur_cmd);
+	scsi_done(fd->cur_cmd);
 	fd->cur_cmd = NULL;
 }