ARM: dts: msm: set cpu_dma_latency to 701 usec

Vote for 701 usec so as to allow the core to go to
stand-alone power collapse.

CRs-Fixed: 641209
Change-Id: Ib3c0beb792679932799aa9b592b22640f3ada1a5
Signed-off-by: Dilip Gudlur <dgudlur@codeaurora.org>
Signed-off-by: Krishna Konda <kkonda@codeaurora.org>