ARM: dts: msm: update the CPU devfreq mapping for msm8996pro

Update the devfreq CPU cluster to CBF clock frequency mapping
tables based upon characterization results.  This ensures that
minimum power is consumed for each CPU cluster frequency with
minimal performance impact.

Change-Id: If6ffd89f2faf3cd40dba3b7b09e38f46ac1007e9
CRs-Fixed: 980877
Signed-off-by: David Collins <collinsd@codeaurora.org>