ARM: dts: msm: Update cluster frequencies for msmcobalt

Remove 1.4976 GHz and 1.0944 GHz as supported DCVS set points
for the power and performance clusters, respectively.

Change-Id: I4c59825521a6f3f8738623363eec6c4bc8b5d8cc
CRs-Fixed: 990552
Signed-off-by: Osvaldo Banuelos <osvaldob@codeaurora.org>