add some madwifi fixes and enhancements by Sven-Ola, refresh patches

SVN-Revision: 11848

package/madwifi/patches/331-memory_alloc.patch

@@ -1,6 +1,6 @@
 --- a/ath/if_ath.c
 +++ b/ath/if_ath.c
-@@ -3318,17 +3318,18 @@
+@@ -3322,17 +3322,18 @@
  	 * without affecting any other bridge ports. */
  	if (skb_cloned(skb)) {
  		/* Remember the original SKB so we can free up our references */
@@ -25,7 +25,7 @@
  	eh = (struct ether_header *)skb->data;
  
  #ifdef ATH_SUPERG_FF
-@@ -3599,6 +3600,8 @@
+@@ -3603,6 +3604,8 @@
  	sc->sc_stats.ast_tx_mgmt++;
  	return 0;
  bad: