Comment 1 for bug 1890732

Hardware Certification have completed testing this -proposed kernel. No regressions were observed, results are available here:
Rpi2b-armhf: https://certification.canonical.com/hardware/201903-26933/submission/178760/
Rpi3b-arm64: https://certification.canonical.com/hardware/201811-26649/submission/178758/
Rpi3b-armhf: https://certification.canonical.com/hardware/201907-27197/submission/178752/
Rpi3a+-arm64: https://certification.canonical.com/hardware/201907-27199/submission/178757/
Rpi3a+-armhf: https://certification.canonical.com/hardware/201901-26785/submission/178755/
Rpi3b+-arm64: https://certification.canonical.com/hardware/201810-26542/submission/178756/
Rpi3b+-armhf: https://certification.canonical.com/hardware/201907-27198/submission/178750/
Rpi4b-1g-arm64: https://certification.canonical.com/hardware/201911-27471/submission/178749/
Rpi4b-1g-armhf: https://certification.canonical.com/hardware/201910-27407/submission/178744/
Rpi4b-2g-arm64: https://certification.canonical.com/hardware/201911-27507/submission/178751/
Rpi4b-2g-armhf: https://certification.canonical.com/hardware/201911-27506/submission/178743/
Rpi4b-4g-arm64: https://certification.canonical.com/hardware/201911-27455/submission/178746/
Rpi4b-4g-armhf: https://certification.canonical.com/hardware/201911-27456/submission/178747/
Rpi4b-8g-arm64: https://certification.canonical.com/hardware/202004-27865/submission/178745/
Rpi4b-8g-armhf: https://certification.canonical.com/hardware/202004-27866/submission/178748/
CM3-arm64: No space to upgrade kernel
CM3-armhf: https://certification.canonical.com/hardware/201711-25992/submission/178753/
CM3+-arm64: https://certification.canonical.com/hardware/201908-27277/submission/178777/
CM3+-armhf: https://certification.canonical.com/hardware/201908-27277/submission/178754/