msm_rmnet_bam: Use the correct netif_rx api

netif_rx is called within workqueue context in bam_recv_notify,
so use the non interrupt version of the api to immediately
service the softirq.

Change-Id: I4a7ff6c62dd2eba878ec48117965c6890022b687
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>