ixp4xx: revert kernel support for 2.6.33 & 2.6.35

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21890 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/ixp4xx/patches-2.6.35/600-skb_avoid_dmabounce.patch

@@ -1,13 +0,0 @@
---- a/net/core/skbuff.c
-+++ b/net/core/skbuff.c
-@@ -183,6 +183,10 @@ struct sk_buff *__alloc_skb(unsigned int
- 		goto out;
- 	prefetchw(skb);
- 
-+#ifdef CONFIG_ARCH_IXP4XX 
-+	gfp_mask |= GFP_DMA;
-+#endif
-+
- 	size = SKB_DATA_ALIGN(size);
- 	data = kmalloc_node_track_caller(size + sizeof(struct skb_shared_info),
- 			gfp_mask, node);