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/tcp.client

@@ -0,0 +1,9 @@
+# Example of sending via a connected tcp socket
+
+set s [socket stream 127.0.0.1:20000]
+
+foreach i [range 1 20] {
+	$s puts "1 << $i"
+
+	puts [$s gets]
+}