ARM: dts: msm: Add GPU properties for sm6150

Add device-specific GPU properties for sm6150.
Add GPU clocks, registers, interrupts, bus,
freq plan, SMMU properties, and GPU power levels.

Change-Id: I56108c6e5c5718d5b1619d9291069ea9f3c3317c
Signed-off-by: Hareesh Gundu <hareeshg@codeaurora.org>