Change the clocks according to the display (non-default resolution)

Document created by Rita Wang Employee on Sep 26, 2019
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For the board imx8M Quad EVK running the Linux 4.14.78-1.0.0_ga version BSP, the resolutions 3840x2160,1920x1080, 1280x720, 720x480 are support in our default BSP. For the other resolutions how to make it work?

This patch used to do support for a non-default resolution on i.MX 8MQ EVK. Basically, the customer needs to change the clocks accordingly to the display requirements,  it to be used as a base to the display support.