rtla-6.12.0-bp160.1.12

- The kernel ships the necessary build fix, thus
  remove fix-libtracefs.patch

- Replace deprecated %patchN syntax with %patch -P N.

- Add patch fix-libtracefs.patch, fix build path of libtracefs

- Add hwnoise tool which got added with Linux 6.3

- Add missing libtraceevent linker argument (workaround until
  the kernel list the lib dependency)
- Drop version dependencies on kernel and the libraries

- Add a dummy -rebuild package to give OBS/Tumbleweed a hint when this
  package needs a rebuild

- Suppress stripping of installed binaries

- Initial packaging of rtla.