[Bug 2097008] Re: [SRU] Add CM5 Lite to flash-kernel database

[Dave Jones]

Thanks to @davidcunningham for the verification attempt on noble. You're
correct that currently this can't work on noble as it's not going to
boot without that dtb. However, I'm going to mark that release
verification done because, while it's not *sufficient* to support CM5
lite, it is *part* of a pre-requisite to support the CM5 lite on noble
(we also need to add that dtb to the linux-raspi package).

After manually copying the missing dtbs (bcm2712-rpi-cm5l-*.dtb) to the
boot partition (and kernel firmware path) of the noble image,
verification proceeded as on oracular / plucky: current released version
of flash-kernel fails as expected ("unsupported platform"), while
proposed version completes successfully (both release and proposed also
tested on Pi 5 to guard against regressions).

** Tags removed: verification-failed-noble
** Tags added: verification-done-noble

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Title:
  [SRU] Add CM5 Lite to flash-kernel database

Status in flash-kernel package in Ubuntu:
  Fix Released
Status in flash-kernel source package in Noble:
  Fix Committed
Status in flash-kernel source package in Oracular:
  Fix Committed
Status in flash-kernel source package in Plucky:
  Fix Committed
Status in flash-kernel source package in Questing:
  Fix Released

Bug description:
  [ Impact ]

  flash-kernel unable to complete successfully on the CM5 Lite (also
  implying kernel upgrades will fail).

  [ Test Plan ]

  For each affected $series:

  * Flash $series to SD card and move card to CM5 Lite
  * Boot image on CM5 Lite
  * sudo flash-kernel
  * Note "Unsupported platform error"
  * sudo apt install -t $series-proposed flash-kernel
  * sudo flash-kernel
  * flash-kernel complete successfully

  To guard against regression, re-test on other supported platforms

  [ Where problems could occur ]

  Only the database db/all.db is changed. Test plan includes test of
  operation on other supported platforms to guard against regression,
  and checks before and after states to ensure issue is present and
  actually fixed.

  [ Original Description ]

  As reported in comment 9 of LP: #2086774 we need other matches for the
  CM5 Lite in the flash-kernel database. Will update for SRU template
  shortly. Add entry for the Raspberry Pi CM5 to the flash-kernel
  devices database, specifically:

  Machine: Raspberry Pi Compute Module 5 Lite Rev 1.0
  Machine: Raspberry Pi Compute Module 5 Lite Rev *
  Kernel-Flavors: raspi raspi-realtime
  Method: pi
  DTB-Id: bcm2712-rpi-cm5l-cm5io.dtb
  U-Boot-Script-Name: bootscr.rpi
  Required-Packages: u-boot-tools

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