clk: qcom: osm: Add support for OSM clocks for ATOLL

ATOLL has 6-2 cores configuration, add the necessary
clock changes to support 6-2 core configuration using
the new compatible.

Change-Id: I9d0cc2b56777eb7db9b9f72a34d149812322b0bb
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>