fix: increase BL32 limit

BL32_LIMIT has been increased from 2MB to 4MB to accommodate
the latest tee.bin (it is around ~2.1MB).

Change-Id: I47b770bf23c23d38931a2b3316d076b829338d70
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Co-developed-by: Juan Pablo Conde <juanpablo.conde@arm.com>
1 file changed