msm: ipa: avoid printing UL data stall

Print an error message for UL data stall only if netdev
queue is stopped and there are packet pending in IPA.

Change-Id: Ib006262d8c3160b3630201b5296c165fc80de0a2
CRs-Fixed: 2131183
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>