Make the package consistent with firmware-qcom-adreno packaged from
linux-firmware, but keep them separate for legal reasons. The firmware
packaged in firmware-qcom-adreno-extra does not have a proper license.
[ci:ignore-count]
[ci:skip-build] already built successfully in CI
[ci:ignore-count]
[ci:skip-vercheck] needed for the postmarketos-ui-* packages in this
series
[ci:skip-build] already built ui-* packages in CI, and device pacakges
are just trivial deviceinfo change (manually built some just to verify)