Change this 2 functions to make it accessible for other tcl interfaces.
Change-Id: Idee07fcc779941b037a05a40c021e3fb0b1a4a7a
Signed-off-by: Mathias K <kesmtp@freenet.de>
Reviewed-on: http://openocd.zylin.com/277
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>