existing file /usr/bin/bcm43xx-fwcutter is not owned by this package existing file /usr/share/man/man1/bcm43xx-fwcutter.1.gz is not owned by this package net-wireless/bcm43xx-fwcutter-004 collides with net-wireless/bcm43xx-0.0.1-r20060329 which depends on the previous.
Sorry, but it doesn't. Unmerge the driver (bcm43xx) and remerge it. I removed fwcutter from the ebuild already.