kernel: bump 4.4 to 4.4.121

- Refreshed all patches
- Only compile-tested

Compile tested on: Gemini

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>

target/linux/generic/pending-4.4/721-phy_packets.patch

@@ -86,7 +86,7 @@
  	help
 --- a/net/core/dev.c
 +++ b/net/core/dev.c
-@@ -2747,10 +2747,20 @@ static int xmit_one(struct sk_buff *skb,
+@@ -2754,10 +2754,20 @@ static int xmit_one(struct sk_buff *skb,
  	if (!list_empty(&ptype_all) || !list_empty(&dev->ptype_all))
  		dev_queue_xmit_nit(skb, dev);