[PATCH] [X86_64]: Enable support for next generation AMD Zen4 CPU

[Joshi, Tejas Sanjay]

[Public]

Hi all,
> Okay, I will prepare another patch which reverts the znver4 instruction reservations and submit it.

PFA the patch which reverts the znver4 instruction reservations. I have also made znver4 to use znver3 scheduler for now.
If its good for the trunk, I will submit it.

Thanks and Regards,
Tejas
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