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/udp6.client

@@ -0,0 +1,27 @@
+# Example of sending from an unconnected ipv6 socket
+
+set s [socket -ipv6 dgram]
+
+foreach i [range 1 5] {
+	# Specify the address and port with sendto
+	$s sendto "$i + $i + 10" {[::1]:20000}
+
+	# Receive the response - max length of 100
+	puts [$s recvfrom 100]
+}
+
+$s close
+
+# Now sending via a connected udp socket
+
+set s [socket -ipv6 dgram {[::1]:20000}]
+
+foreach i [range 5 10] {
+	# Socket is connected, so can just use puts here
+	# But remember to flush to ensure that each message is separate
+	$s puts -nonewline "$i * $i"
+	$s flush
+
+	# Receive the response - max length of 100
+	puts [$s recvfrom 100]
+}