ARM: dts: Update available frequenices in energy costs for SM6150

Update new frequencies in energy costs for SM6150, which are used by
schduler in task placement decisions.

Change-Id: I9f9272370e1b3e0ce1f2ca34f87a5d0608b9a93d
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>