Known big flash parts such as LPC11u68/e68 have a non-uniform memory organisation, the first 24 sectors are 4k, the rest are 32k. Change-Id: Icf515152dfc54ec0ca187561d2d63088b9640f14 Signed-off-by: Paul Fertser <fercerpav@gmail.com> Reviewed-on: http://openocd.zylin.com/3802 Tested-by: jenkins Reviewed-by: akaWolf Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>