This was a fallout from the /usr/share relocation, only found and
reported now by z3ntu. If the device package happened to be installed
later, then the link would point to the wrong location.
Fixes 1d748a93dd
In the process, add some tests and do some renaming on the existing ones, and
remove the workaround for #2228, will be solved appropriately in a follow-up
commit.
Fixes#1836
Since the modules are going to be installed into the initfs, it makes
sense to use a more verbose naming for the file. Otherwise there's the
risk of getting confused with other type of module files that exist in
device packages.
Fixes 65be0d7e81
Kernel subpackages may contain a "-" (e.g. -kernel-mainline-modem);
replace it with an underscore to make sure that we find the
kernel-specific variables in deviceinfo.
