Add an option to allow everyone to the network.

This should move out of gsm_04_08 and the accept, reject
policy should be controllable by the higher levels.
diff --git a/src/bsc_hack.c b/src/bsc_hack.c
index ff90b85..623907c 100644
--- a/src/bsc_hack.c
+++ b/src/bsc_hack.c
@@ -669,6 +669,7 @@
 	printf("  -n --network-code number(MNC) \n");
 	printf("  -c --country-code number (MCC) \n");
 	printf("  -l --database db-name The database to use\n");
+	printf("  -a --authorize-everyone Allow everyone into the network.\n");
 	printf("  -h --help this text\n");
 }
 
@@ -683,10 +684,11 @@
 			{"network-code", 1, 0, 'n'},
 			{"country-code", 1, 0, 'c'},
 			{"database", 1, 0, 'l'},
+			{"authorize-everyone", 0, 0, 'a'},
 			{0, 0, 0, 0}
 		};
 
-		c = getopt_long(argc, argv, "hc:n:d:s",
+		c = getopt_long(argc, argv, "hc:n:d:sa",
 				long_options, &option_index);
 		if (c == -1)
 			break;
@@ -711,6 +713,9 @@
                 case 'l':
 			database_name = strdup(optarg);
 			break;
+		case 'a':
+			gsm0408_allow_everyone(1);
+			break;
 		default:
 			/* ignore */
 			break;