Other than a larger memory layout these new devices also have an extra
MER1 bit to perform the mass erase.
Change-Id: I7110a05bac95c1707160d1f5622181664291eb4a
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/985
Tested-by: jenkins
Reviewed-by: Peter Stuge <peter@stuge.se>