ARM: dts: msm: Fix QOS settings for Venus on msmcobalt

QOS values are programmed wrongly for msmcobalt. This can
affect Venus performance. This change fixes the same.

CRs-Fixed: 1046678
Change-Id: I6d474c2279422abe63ad625f35809fe156e8c465
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>