Increase upper limit on number of extra items to queue as some FPGA code can't yet reliably keep many devices busy.

cgminer.c

@@ -783,8 +783,8 @@ static struct opt_table opt_config_table[] = {
 			opt_set_bool, &opt_protocol,
 			"Verbose dump of protocol-level activities"),
 	OPT_WITH_ARG("--queue|-Q",
-		     set_int_0_to_10, opt_show_intval, &opt_queue,
+		     set_int_0_to_9999, opt_show_intval, &opt_queue,
-		     "Minimum number of work items to have queued (0 - 10)"),
+		     "Minimum number of work items to have queued (0+)"),
 	OPT_WITHOUT_ARG("--quiet|-q",
 			opt_set_bool, &opt_quiet,
 			"Disable logging output, display status and errors"),