Used these instructions there:
https://www.techpowerup.com/228536/amd-bios-signature-check-re-enabled-with-relive-locks-out-polaris-bios-modders

And modded ASUS RX570 4GB Expedition orginal BIOS (extracted with GPU-Z) with Polaris BIOS editor and one key memory mod button.
I try with that 17.12.2 Adrenalin after work. Thank you!