msm: mhi_rmnet: If failed, do not retry to queue UL buffers

If MHI failed to queue the buffer, do not attempt to re-queue.
Instead wait for transfer completion event and restart
the UL queue.

Change-Id: Id57db52e0eb2e5930ec228a920d109fef941389f
CRs-Fixed: 1055681
Signed-off-by: Sujeev Dias <sdias@codeaurora.org>