Staging: bcm: line over 80 characters in Bcmnet.c

Fix checkpatch.pl issues with line over 80 characters in Bcmnet.c

Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>