This brings the mtdinfo utility in line with the functionality
of the flash_info utility. It dumps the erase regioninfo (if
the devices has it) as well as showing a handy eraseblock map
(if the user has requested it). The eraseblock map also shows
which blocks are locked and which ones are bad.
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>