staging: brcm80211: moved fullmac definitions from .h to .c files

And deleted unused definitions. Improves code since it makes clear that the
definitions are only used by a specific .c file.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/staging/brcm80211/brcmfmac/bcmsdh.c
Simple merge

diff --cc drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
Simple merge

diff --cc drivers/staging/brcm80211/brcmfmac/sdio_host.h
Simple merge