msm: ipa: fix skb recycle logic

skbs are recycled on LAN pipe. This changes
fixes a bug where the skb was freed before recycle.

Change-Id: I35734cd41aee8bdd2764d6307f76bedcb916a07b
CRs-Fixed: 1060534
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>