[Hardy, Intrepid] SRU: Update broadcom driver in LRM to latest version from Broadcom

[Stefan Bader]

https://bugs.launchpad.net/bugs/292450

SRU justification:

Impact: The current broadcom driver (wl.ko) seems to have several issues during 
operation. Reported have been random crashes between 5 a day to only 1 every 4 
days.

Fix: The latest driver from broadcom had positive feedback on Jaunty and has 
been released there. This is the backport of that driver for intrepid. Since 
the change is large (even more since it contains binary only parts) it can be 
found at the following location:

http://kernel.ubuntu.com/git?p=smb/ubuntu-intrepid-lrm.git;a=shortlog;h=refs/heads/bug292450

The same code is intended to get ported to Hardy LRM. This would sync up the 
Hardy codebase with the Intrepid and Jaunty layout. So this would yield bug 
fixes and ease maintenance.

Changes are local to wl.ko only.

Testcase: Generic usage will sometimes cause panics.

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