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/tcl/test/selftest.cfg

@@ -0,0 +1,17 @@
+
+add_help_text selftest "run selftest using working ram <tmpfile> <address> <size>"
+
+proc selftest {tmpfile address size} {
+
+   for {set i 0} {$i < $size } {set i [expr $i+4]} {
+       mww [expr $address+$i] $i
+   }
+
+   for {set i 0} {$i < 10 } {set i [expr $i+1]} {
+    echo "Test iteration $i"
+    dump_image $tmpfile $address $size
+	verify_image $tmpfile $address bin
+	load_image $tmpfile $address bin
+   }
+
+}