ARM: dts: msm: Update DCVS table for msmcobalt v2

DCVS table update is required to take into account new voltage
corners and frequencies in msmcobalt v2.

CRs-Fixed: 1072756
Change-Id: I368778ae96191398333cc53d5700a9331f892236
Signed-off-by: Chinmay Sawarkar <chinmays@codeaurora.org>