iwlegacy: move IL_MASK

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>

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

@@ -4944,6 +4944,8 @@ static const s8 default_queue_to_tx_fifo[] = {
 	IL_TX_FIFO_UNUSED,
 };
 
+#define IL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo))))
+
 static int il4965_alive_notify(struct il_priv *il)
 {
 	u32 a;

drivers/net/wireless/iwlegacy/iwl-helpers.h

@@ -35,9 +35,6 @@
 
 #include "iwl-io.h"
 
-#define IL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo))))
-
-
 /**
  * il_queue_inc_wrap - increment queue idx, wrap back to beginning
  * @idx -- current idx