brcmfmac: introduce feature and quirk handling

Introducing a new source module that will be responsible for
identifying features and quirks related to the device being
handled.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --cc drivers/net/wireless/brcm80211/brcmfmac/Makefile
Simple merge

diff --cc drivers/net/wireless/brcm80211/brcmfmac/dhd.h
Simple merge

diff --cc drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
Simple merge

diff --cc drivers/net/wireless/brcm80211/brcmfmac/feature.c
Simple merge

diff --cc drivers/net/wireless/brcm80211/brcmfmac/feature.h
Simple merge

diff --cc drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
Simple merge