Comment 1 for bug 1887056

Hardware Certification have completed testing this -proposed kernel. No regressions were observed, results are available here:
Rpi2b-armhf: https://certification.canonical.com/hardware/201906-27188/submission/173993/
Rpi3b-arm64: https://certification.canonical.com/hardware/201811-26649/submission/173978/
Rpi3b-armhf: https://certification.canonical.com/hardware/201811-26649/submission/173991/
Rpi3a+-arm64: https://certification.canonical.com/hardware/201901-26785/submission/174486/
Rpi3a+-armhf: https://certification.canonical.com/hardware/201901-26785/submission/174494/
Rpi3b+-arm64: https://certification.canonical.com/hardware/201810-26542/submission/174496/
Rpi3b+-armhf: https://certification.canonical.com/hardware/201810-26542/submission/174502/
Rpi4b-1g-arm64: https://certification.canonical.com/hardware/201910-27407/submission/174202/
Rpi4b-1g-armhf: https://certification.canonical.com/hardware/201910-27407/submission/174216/
Rpi4b-2g-arm64: https://certification.canonical.com/hardware/201911-27506/submission/174444/
Rpi4b-2g-armhf: https://certification.canonical.com/hardware/201911-27506/submission/174442/
Rpi4b-4g-arm64: https://certification.canonical.com/hardware/201911-27455/submission/174307/
Rpi4b-4g-armhf: https://certification.canonical.com/hardware/201911-27455/submission/174213/
CM3-arm64: No space to upgrade kernel
CM3-armhf: https://certification.canonical.com/hardware/201711-25992/submission/174497/
CM3+-arm64: https://certification.canonical.com/hardware/201908-27277/submission/173974/
CM3+-armhf: https://certification.canonical.com/hardware/201908-27277/submission/173987/