parisc: Changes to ref refs/heads/fixes

Rebased ref, commits from common ancestor:
commit 88d1e1f0c7c0c009cd4f57a4d0e16b3f8b1af401

Author: Christoph Hellwig <[email protected]>
Date:   Tue Aug 4 16:54:41 2009 +0200

parisc: convert to asm-generic/hardirq.h