nginx.conf: increase client_max_body_size

To support fixed flash layout that contains 32MiB image, manifest,
publickey and signatures, increase client_max_body_size to 33MiB.

Change-Id: Ibc5ecfd907a2fe796e4767ecfdec2ea7bb1543b1
Signed-off-by: Lei YU <mine260309@gmail.com>
1 file changed