ARM: dts: msm: Add GPU maximum frequency 370Mhz support for SDM636

SDM636 inherits all SDM660 GPU properties, but it will support
GPU max frequency 370Mhz and DDR max frequency 1353Mhz.

Change-Id: I35c4e90a264109d9b490eeac762e79440bd46800
Signed-off-by: Hareesh Gundu <hareeshg@codeaurora.org>