brcmfmac: remove dependency with nl80211.h

The firmware-signalling code used NL80211_NUM_ACS, but it has
its own definition enum brcmf_fws_fifo, which is more appropriate
to use. This effectively removes the need to include nl80211.h.
Reviewed-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c

@@ -22,7 +22,6 @@
 #include <linux/etherdevice.h>
 #include <linux/err.h>
 #include <linux/jiffies.h>
-#include <uapi/linux/nl80211.h>
 #include <net/cfg80211.h>
 
 #include <brcmu_utils.h>
@@ -142,7 +141,7 @@ static const char *brcmf_fws_get_tlv_name(enum brcmf_fws_tlv_type id)
 #define BRCMF_FWS_FLOWCONTROL_HIWATER			128
 #define BRCMF_FWS_FLOWCONTROL_LOWATER			64
 
-#define BRCMF_FWS_PSQ_PREC_COUNT		((NL80211_NUM_ACS + 1) * 2)
+#define BRCMF_FWS_PSQ_PREC_COUNT		((BRCMF_FWS_FIFO_COUNT + 1) * 2)
 #define BRCMF_FWS_PSQ_LEN				256
 
 #define BRCMF_FWS_HTOD_FLAG_PKTFROMHOST			0x01