This enables us to better handle some of the low level functions that the stlink does not support. It also enables us to share a few more of the standard cortex_m3 functions if necessary. Change-Id: I7a2c57450122012ec189245d8879d8967913e00e Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk> Reviewed-on: http://openocd.zylin.com/637 Tested-by: jenkinstags/v0.6.0-rc1