The timer callback is started on target init, but it makes no sense to
poll until the target is fully setup.
Change-Id: I118201e125e39be3d0a920e3ef9a3f68a2035f39
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/2041
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>