Add support for the Intel Quark mcu D2000 using the new quark_d2xx
target.
Changes to the lakemont part are needed for the D2000 core and
backwards compatible with the X1000 one.
Change-Id: I6e1ef5a5d116344942f08e413965abd3945235fa
Signed-off-by: Ivan De Cesaris <ivan.de.cesaris@intel.com>
Reviewed-on: http://openocd.zylin.com/3199
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>