iwlegacy: 4965-mac: Simplify the calculation of variables

Fix the following coccicheck warnings:

./drivers/net/wireless/intel/iwlegacy/4965-mac.c:2596:54-56: WARNING !A
|| A && B is equivalent to !A || B.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1612425608-40450-1-git-send-email-jiapeng.chong@linux.alibaba.com

drivers/net/wireless/intel/iwlegacy/4965-mac.c

@@ -2593,8 +2593,7 @@ il4965_find_station(struct il_priv *il, const u8 *addr)
 	 */
 	if (ret != IL_INVALID_STATION &&
 	    (!(il->stations[ret].used & IL_STA_UCODE_ACTIVE) ||
-	     ((il->stations[ret].used & IL_STA_UCODE_ACTIVE) &&
-	      (il->stations[ret].used & IL_STA_UCODE_INPROGRESS)))) {
+	      (il->stations[ret].used & IL_STA_UCODE_INPROGRESS))) {
 		IL_ERR("Requested station info for sta %d before ready.\n",
 		       ret);
 		ret = IL_INVALID_STATION;