ARM: dts: msm: Update frequency tables for 8996Pro Auto target

Add cpufreq and m4m frequency tables as per the frequencies
supported on the 8996pro auto target. Modify the cpufreq-mincpubw
mapping table as per the changes.

Change-Id: I07f8d95515a499de523c7bf6391d1c7462f95cc3
Signed-off-by: Rohit Gupta <rohgup@codeaurora.org>
Signed-off-by: David Keitel <dkeitel@codeaurora.org>