This matches the 64 bit size in struct mtd_info and allows the mtdparts
command to function correctly with a flash >= 4GiB. Format specifiers
for size & offset are given the ll length, matching its use in
drivers/mtd in absence of something like inttypes.h/PRIx64.
Signed-off-by: Paul Burton <email@example.com>
Acked-by: Stefan Roese <firstname.lastname@example.org>