ath6kl: Change ielen in ath6kl_add_new_sta() from u8 to size_t

Otherwise if (ielen <= ATH6KL_MAX_IE) is dead code. It looks safe to
change the type of ielen from u8 to size_t instead of removing this
if check, this ielen can have the length of more than one ies in future.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/main.c

@@ -53,7 +53,7 @@ struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid)
 }
 
 static void ath6kl_add_new_sta(struct ath6kl *ar, u8 *mac, u16 aid, u8 *wpaie,
-			u8 ielen, u8 keymgmt, u8 ucipher, u8 auth)
+			size_t ielen, u8 keymgmt, u8 ucipher, u8 auth)
 {
 	struct ath6kl_sta *sta;
 	u8 free_slot;