Use ".init.plt" section consistently, and mark plt sections executable.

This brings pci.ids in your BK tree in sync with my database.

I've merged changes from both 2.4 and 2.5 with direct submissions to my
repository and deleted a few entries which are obviously wrong.

"savesegment()" is declared in multiple places. Clean up and declare
it just once in <asm/system.h>

into home.transmeta.com:/home/torvalds/v2.5/linux

The attached patch fixes the crash top or cat /proc/*/wchan produces
when using KALLSYMS it's a buffer overrun that should not happen.

Based on patch by andi kleen.

into home.transmeta.com:/home/torvalds/v2.5/linux

into samba.org:/scratch/anton/for-alan

into samba.org:/scratch/anton/for-alan

into samba.org:/scratch/anton/for-alan

into samba.org:/scratch/anton/linux-2.5_ppc64

into samba.org:/scratch/anton/for-alan

into samba.org:/scratch/anton/linux-2.5_ppc64

into home.transmeta.com:/home/torvalds/v2.5/linux

Noted by Adrian Bunk and Adam Richter

This was originally added in rev 1.26.1.2, then dropped 
during a merge in rev 1.33.  Please be more careful with
those merges, people.

This patch adds support for enable/disable_irq_wake for the SA11x0
CPUs, allowing drivers or other code to select which IRQs are able
to wake the CPU from sleep mode.