The listed partition size doesn't match the original partition size, and
actually overlaps with the following partition. The partition node name
for the "firmware" partition also has an extra 'b' compared to the
partition offset.
Fixes: 47f5a0a3ee ("realtek: Add support for ZyXEL GS1900-48 Switch")
Signed-off-by: Sander Vanheule <sander@svanheule.net>
