ARM: dts: msm: update MDP BW limits and OT Settings for msmtitanium

Set MDSS default BW limit to 3.4G and 3.1G when camera is active as
per QOS recommendation. Set OT to 16.

CRs-Fixed: 968981
Change-Id: Icc286d909964df181ab8057f7992c64b3201b2bf
Signed-off-by: Jayant Shekhar <jshekhar@codeaurora.org>