Switch to Megi's DP alt mode patches for 5.16
Megi created some patches for fusb302 that is used in the Pinephone Pro, which also uses the rk3399 as a base.
So this is a port of his patches, to also work for the Pinebook Pro and likely the RockPro64 too.
This also removes the old, now unused patches.
Signed-off-by: Dan Johansen strit@manjaro.org