brcmfmac: remove obsolete function brcmf_c_mkiovar

the refactored firmware interface layer made this function obsolete.
Reviewed-by: NArend Van Spriel <arend@broadcom.com>
Signed-off-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmfmac/dhd.h

@@ -671,9 +671,6 @@ static inline s32 brcmf_ndev_bssidx(struct net_device *ndev)
 
 extern const struct bcmevent_name bcmevent_names[];
 
-extern uint brcmf_c_mkiovar(char *name, char *data, uint datalen,
-			  char *buf, uint len);
-
 extern int brcmf_netdev_wait_pend8021x(struct net_device *ndev);
 
 /* Return pointer to interface name */

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

@@ -68,27 +68,6 @@ struct msgtrace_hdr {
 } __packed;
 
 
-uint
-brcmf_c_mkiovar(char *name, char *data, uint datalen, char *buf, uint buflen)
-{
-	uint len;
-
-	len = strlen(name) + 1;
-
-	if ((len + datalen) > buflen)
-		return 0;
-
-	strncpy(buf, name, buflen);
-
-	/* append data onto the end of the name string */
-	if (data && datalen) {
-		memcpy(&buf[len], data, datalen);
-		len += datalen;
-	}
-
-	return len;
-}
-
 bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
 		      struct sk_buff *pkt, int prec)
 {