libosmocore: 1.2.0 -> 1.6.0

[armeenm]

Description of changes

https://github.com/osmocom/libosmocore/tags
As a bonus, this also trades python2 for python3 (#148779).

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandbox = true set in nix.conf? (See Nix manual)
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 22.05 Release Notes (or backporting 21.11 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
  • (Release notes changes) Ran nixos/doc/manual/md-to-db.sh to update generated release notes
• Fits CONTRIBUTING.md.

[Mindavi]

Result of nixpkgs-review pr 170175 run on x86_64-linux 1

1 package failed to build:

• libosmocore

error: Function called without required argument "libusb" at /home/rick/.cache/nixpkgs-review/pr-170175/nixpkgs/pkgs/applications/misc/libosmocore/default.nix:6, did you mean "librsb", "libusb1" or "ibus"?
(use '--show-trace' to show detailed location information)

[Mindavi]

Change libusb to libusb1?

[armeenm]

Oh, weird; how does this build for me? Anyways, should be fixed now.

[Mindavi]

Result of nixpkgs-review pr 170175 run on x86_64-linux 1

1 package built:

• libosmocore

Cross-compiles (aarch64) as well, good to go!

[Mindavi]

Let's give the maintainer some time to respond as well btw.