ARM: dts: msm: Update CCI and Power cluster corner mapping

For power and performance optimization on 8939 2.0
modify the CCI and Power cluster corner mapping. The new
mapping optimizes the FMAX corner for both to 17.

Change-Id: I8889e1f86acec198667444b35c52431e612eba99
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>