ARM: dts: msm: add CPU clock boost frequency for msm8996pro

Update the frequency plan for the MSM8996-Pro CPU clocks in order
to include the new boost frequency.

Also add the characterized Turbo Fmax frequency and the new
intermediate Turbo frequency for the performance cluster on speed
bin 0 parts.

Change-Id: I711bf4abd17e8743d459598d03d0f41f6ed1ca14
CRs-Fixed: 981475
Signed-off-by: David Collins <collinsd@codeaurora.org>