DPTX: add 25ms delay to make 1st stage display init reliable #338
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Fixes display initialization from stage 1 m1n1. 20ms looked reliable on
j473 but let's add 25% safety margin. Someone with more motivation (and
HW serial) to do repeated
kmutil configure-boot ...
can try tominimize this and test on t602x
Also silence some afk/dptx printf() by converting them to dprintf().