This is the first part in moving the adapter specific api back into the driver. The next task is to also move the hla read/write buffer size handling. Change-Id: I86a19144b50b6de18659bfcd05b3729b2cafc051 Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk> Reviewed-on: http://openocd.zylin.com/1621 Tested-by: jenkins Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>