What replaces the 4.19.y scripts/mkknlimg in 5.16-rc6-rt12?

[gene heskett]

Greetings all;

That script/mkknlimg is missing in v5.16-rc6-rt2. What replaces it?

Or, can this script be copied to a v5.16-rc6-rt12 build and used?

Thanks a bunch, I'm trying to build a v5.16-rc6-rt12 on a rpi4 for the 
rpi4. The build itself was flawless.

Cheers, Gene Heskett.
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