Do not generated new TCP port when rebooting nSIM GDB

GDB testsuite has an unfortunate trait - it reboots target after recording
TCP port involved. As a result if we would try to generate new port number
after reboot, test would fail, as it would use old TCP port number.

Signed-off-by: Anton Kolesov <[email protected]>

Author: anthony-kolesov

dejagnu/nsim-extra.exp

@@ -102,9 +102,13 @@ proc arc-nsim_reboot { connhost args } {
 	set board $connhost
     }
 
-    # Generate random port number.
-    set portnum [exec [file dirname $env(DEJAGNU)]/get-random-port.sh]
-    nsim_open $portnum
+    # GDB testsuite has an unfortunate trait - it reboots target after
+    # recording TCP port involved. As a result if we would try to generate new
+    # port number after reboot, test would fail, as it would use old TCP port
+    # number.
+    nsim_open [target_info nsim_port]
+
+    return 1
 }
 
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