drivers/staging/bcm/InterfaceDld.c: Fix checkpatch warnings

In the source file there are a lot of warnings. I will send it in parts to be more easy to
review. All the changes in this file its just alignment, and things like that.

Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>