ARM: dts: msm: Add FMAX tables for CPU and GPU clocks on MSM8996 Pro AU

Add the CPU and GPU clock FMAX tables for the MSM8996 Pro
auto target.

Change-Id: If655756b4598c20e85fd73720073b7d16ce143e9
Signed-off-by: Deepak Katragadda <dkatraga@codeaurora.org>