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/examples/pipe.tcl

@@ -0,0 +1,16 @@
+lassign [socket pipe] r w
+
+# Note, once the exec has the fh (via dup), close it
+# so that the pipe data is accessible
+exec ps aux >@$w &
+$w close
+
+$r readable {
+	puts [$r gets]
+	if {[eof $r]} {
+		$r close
+		set done 1
+	}
+}
+
+vwait done