Comment 1 for bug 1870707

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/166624/
Rpi3b-arm64: https://certification.canonical.com/hardware/201811-26649/submission/166623/
Rpi3b-armhf: https://certification.canonical.com/hardware/201811-26649/submission/166662/
Rpi3a+-arm64: https://certification.canonical.com/hardware/201901-26785/submission/166637/
Rpi3a+-armhf: https://certification.canonical.com/hardware/201901-26785/submission/166653/
Rpi3b+-arm64: https://certification.canonical.com/hardware/201810-26542/submission/166622/
Rpi3b+-armhf: https://certification.canonical.com/hardware/201810-26542/submission/166629/
Rpi4b-1g-arm64: https://certification.canonical.com/hardware/201911-27471/submission/166620/
Rpi4b-1g-armhf: https://certification.canonical.com/hardware/201910-27407/submission/166615/
Rpi4b-2g-arm64: https://certification.canonical.com/hardware/201911-27507/submission/166618/
Rpi4b-2g-armhf: https://certification.canonical.com/hardware/201911-27506/submission/166614/
Rpi4b-4g-arm64: https://certification.canonical.com/hardware/201911-27456/submission/166621/
Rpi4b-4g-armhf: https://certification.canonical.com/hardware/201911-27455/submission/166619/
CM3-arm64: No disk space to upgrade kernel
CM3-armhf: No disk space to upgrade kernel
CM3+-arm64: https://certification.canonical.com/hardware/201908-27277/submission/166692/
CM3+-armhf: https://certification.canonical.com/hardware/201908-27277/submission/166377/