[PATCH 0/3] refactor and extend udev handling

This patch series adds both the `udev_hwdb_reload` function and QA checks for
udev hardware database files, simarly to the already existing QA checks for udev
rules. In preparation of the aforementioned functionality extension, it
refactors 60udev-eclass.

NOTE: With this addition, udev.eclass then contains the helper functions
`udev_reload` and `udev_hwdb_reload`. Renaming `udev_reload` to
`udev_rules_reload` seems sensible to me *in theory*, in practice it would touch
many ebuilds:
```
~/git/gentoo $ rg -u udev_reload -l --glob '*.ebuild' | wc -l
399
```

Lukas Schmelting (3):
  metadata/install-qa-check.d: refactor 60udev-eclass
  udev.eclass: add udev_hwdb_reload function
  metadata/install-qa-check.d: add udev hwdb check

 eclass/udev.eclass                        |  17 +++
 metadata/install-qa-check.d/60udev-eclass | 139 +++++++++++++++-------
 2 files changed, 115 insertions(+), 41 deletions(-)

-- 
2.53.0