ARM: dts: msm: Add support for CPU frequencies for SDM632

For SDM632, CPU perf, power and CCI cpufreq is different
in contrast to MSM8953 so override the cpu freq device node
with required new properties.

Change-Id: I813d4b801a6833a32314cc9d4f27980498db0e75
Signed-off-by: Maria Yu <aiquny@codeaurora.org>