jtag: add opendous and estick support

Change-Id: I49c25d226f05fdcaca6cbfc35c2ab47e8464abec
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/611
Tested-by: jenkins

doc/openocd.texi

@@ -461,6 +461,12 @@ The simplest solution is to get linux to ignore the ST-LINK using one of the fol
 
 @item @b{Buspirate}
 @* Link: @url{http://dangerousprototypes.com/bus-pirate-manual/}
+
+@item @b{opendous}
+@* Link: @url{http://code.google.com/p/opendous-jtag/}
+
+@item @b{estick}
+@* Link: @url{http://code.google.com/p/estick-jtag/}
 @end itemize
 
 @section IBM PC Parallel Printer Port Based
@@ -2693,6 +2699,10 @@ Manually sets the stlink api used, valid options are 1 or 2.
 @end deffn
 @end deffn
 
+@deffn {Interface Driver} {opendous}
+opendous-jtag is a freely programmable USB adapter.
+@end deffn
+
 @deffn {Interface Driver} {ZY1000}
 This is the Zylin ZY1000 JTAG debugger.
 @end deffn