It is a 256KiB flash with 4 KiB erase sectors
and 64KiB overlay blocks.
This is the one available on Hardkernel's Odroid U3 shield.
Signed-off-by: Alexis Ballier <[email protected]>
[Brian: seems like this does NOT require the usual SST_WRITE hacks] Signed-off-by: Brian Norris <[email protected]>