brcmfmac: remove condition for calling event handler

In fweh module the event handler was only called if the
struct brcmf_if instance had a non-null netdev associated.
This restriction is no longer valid for P2P_DEVICE type
of interface. This patch removes that restriction.
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
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/fweh.c

@@ -156,7 +156,7 @@ static int brcmf_fweh_call_event_handler(struct brcmf_if *ifp,
 		fweh = &ifp->drvr->fweh;
 
 		/* handle the event if valid interface and handler */
-		if (ifp->ndev && fweh->evt_handler[code])
+		if (fweh->evt_handler[code])
 			err = fweh->evt_handler[code](ifp, emsg, data);
 		else
 			brcmf_err("unhandled event %d ignored\n", code);