brcmfmac: add role attribute to struct brcmf_if_event definition

According specification the IF event has an additional field indicating
the role or type of the interface for which this event is sent.
Reviewed-by: NPiotr Haber <phaber@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/dhd.h

@@ -548,6 +548,7 @@ struct brcmf_if_event {
 	u8 action;
 	u8 flags;
 	u8 bssidx;
+	u8 role;
 };
 
 /* forward declarations */

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

@@ -181,9 +181,9 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
 	struct brcmf_if *ifp;
 	int err = 0;
 
-	brcmf_dbg(EVENT, "action: %u idx: %u bsscfg: %u flags: %u\n",
-		  ifevent->action, ifevent->ifidx,
-		  ifevent->bssidx, ifevent->flags);
+	brcmf_dbg(EVENT, "action: %u idx: %u bsscfg: %u flags: %u role: %u\n",
+		  ifevent->action, ifevent->ifidx, ifevent->bssidx,
+		  ifevent->flags, ifevent->role);
 
 	if (ifevent->ifidx >= BRCMF_MAX_IFS) {
 		brcmf_err("invalid interface index: %u\n",