This brings the stlink driver inline with the rest of OpenOCD. If the user configures the tap as -expected-id 0 then the IDCODE will be treated as a wildcard and ignored. Change-Id: I99160c69b2b40f5b1f608bb59ab6630894502fd8 Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk> Reviewed-on: http://openocd.zylin.com/476 Tested-by: jenkins Reviewed-by: Mathias Küster <kesmtp@freenet.de>