The size of the RO data area was calculated by subtracting the area end
address from itself and not the base address due to a typo. Fix this
here.

Note, this was noticed at a glance thanks to the new aligned formating
of this table.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Change-Id: I994022ac9fc95dc5e37a420714da76081c61cce7