[Ocf-linux-users] Update for kernel 2.6.31

[Peter F. <pe...@we...>]

Hello everyone, attached is a patch for linux 2.6.31 to fix the
problem with find_task_by_vpid() no longer being exported. This did
cause a licensing issue, since find_vpid() isn't compatible with a
pure BSD license. I modified the license string for crypto.c to change
the license to GPL/BSD to allow the kernel to compile, although I'm
not sure if this is the preferred solution for this project. I'm
working on the assumption that because it is a linux specific project
that the licensing issue will get resolved somehow.

Regards,
Peter