ARM: dts: msm: enable NAPI on rmnet_ipa0 for sdm845

Enable NAPI for IPA on SDM845 to allow more optimized
data path for WAN downlink traffic. NAPI allows network
stack features such as GRO to perform more optimized.

Change-Id: Ibba03d8cfe7bc8be1f9e537447e5e3a579cbc80e
CRs-Fixed: 2037175
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>