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>