arm: dts: msm: Enable streaming mode for MSM8916

Enable streaming mode when rmnet is present in
composition. This USB controller feature is for
enhancing the throughput.

CRs-Fixed: 640435
Change-Id: Ic869fffb681b9fcdb7d7a960d65b5900f1cca84c
Signed-off-by: Sujeet Kumar <ksujeet@codeaurora.org>