msm: bam_rmnet: Queue packet for UL wakeup

Instead of forcing the TCP/IP stack to retry the packet if
an uplink wakeup is needed, queue the packet until the
wakeup is complete.  This prevents tools such as tcpdump
from showing the packet as being sent twice.

Change-Id: Ib83c62e6e58dc5646a34a70b5bfa6c3ba59cc32b
Signed-off-by: Eric Holmberg <eholmber@codeaurora.org>