[PATCH v2] nouveau: fix OpenFirmware support

[Olaf Hering]

On Sun, Oct 11, Laurent Vivier wrote:

> On PowerMac G5 (and I think on all OpenFirmware platforms), nvbios_pcirTp()
> returns NULL. But in fact the OpenFirmware has given us the size
> we can store in image->size.

> CC: imirkin at alum.mit.edu
> Signed-off-by: Laurent Vivier <laurent at vivier.eu>

Tested-by: Olaf Hering <olaf at aepfle.de>

Broken since a while already...
https://lists.ozlabs.org/pipermail/linuxppc-dev/2015-March/126737.html

Olaf