clk: qcom: Add snapshot of OSM CPU clock DT for SDM660

This is snapshot of the osm cpu clock DT file as of
msm-4.14 'commit 4d7da9f5 (" Merge "defconfig:
sa8195: Enable config for dyn splash"")'.

Change-Id: I8c774c8f8080021e48cd58e21c3884054234b373
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>
Signed-off-by: Chetan C R <cchinnad@codeaurora.org>