drm/nouveau/secboot: fix WPR region alignment

A WPR region smaller than 256K will result in secure boot failure.
Adjust the minimal size.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Alexandre Courbot 2017-01-26 14:55:56 +09:00 • committed by Ben Skeggs
commit 098ee77224