Out of the Broadcom frying pan (DELL) to the fire (HP Envy)

[poma]

...
> BTW have you tried 'new_id' routine
> https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-bus-usb
> 

Pardon me, 
https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-bus-pci
...
What:		/sys/bus/pci/drivers/.../new_id
Date:		December 2003
Contact:	linux-pci at vger.kernel.org
Description:
		Writing a device ID to this file will attempt to
		dynamically add a new device ID to a PCI device driver.
		...


BTW wl-kmod - Kernel module for Broadcom wireless devices
http://download1.rpmfusion.org/nonfree/fedora/updates/testing/20/SRPMS/repoview/wl-kmod.html
builds OK with patches accompanied.