debuggers: import openocd-0.7.0

Initial check-in of openocd-0.7.0 as it can be downloaded from
http://sourceforge.net/projects/openocd/files/openocd/0.7.0/

Any modifications will follow.

Change-Id: I6949beaefd589e046395ea0cb80f4e1ab1654d55

debuggers/openocd/jimtcl/jim-signal.h

@@ -0,0 +1,24 @@
+#ifndef JIM_SIGNAL_H
+#define JIM_SIGNAL_H
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tcl_SignalId --
+ *
+ *      Return a textual identifier for a signal number.
+ *
+ * Results:
+ *      This procedure returns a machine-readable textual identifier
+ *      that corresponds to sig.  The identifier is the same as the
+ *      #define name in signal.h.
+ *
+ * Side effects:
+ *      None.
+ *
+ *----------------------------------------------------------------------
+ */
+const char *Jim_SignalId(int sig);
+const char *Jim_SignalName(int sig);
+
+#endif