staging: brcm80211: remove usage of bcmsrom_tbl.h

The include file bcmsrom_tbl.h was only included by bcmsrom.c. The
required definitions have been move to bcmsrom.c and bcmsrom_tbl.h
has subsequenly been removed.
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Reviewed-by: NRoland Vossen <rvossen@broadcom.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>