Rebuilt for IMA sigs, glibc 2.34, aarch64 flags

Take into account the rename of the sched_features file for HRTICK
Use HRTICK_DL if available

Update to latest upstream rt-tests-2.1

Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937

Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild

Use the %pycached macro as described in the packaging-guidlines for Python

Escape all necessary percent symbols in the changelog
Remove some unncessary constructs in the rpm file
The following are from upstream patches
Add a menu to determine_maximum_mpps.sh
remove get_cpuinfo_mhz.sh and an old oslat makefile
Add determine_maximum_mpps.8

Remove ExclusiveArch but add ExcludeArch for now.
tests is only available on arches that implement numactl

Use the proper upstream tarball instead of a renamed tarball
tests-1.9.tar.xz

Don't compress man pages by default so the build system can do so

Fix incoherent version in changelogs by using a dash instead of dot
Use Fedora default build flags

Removed unncessary parts from the specfile
Put each BuildRequires on a separate line.
Used macros _bindir, _mandir, and _prefix

Upgrade to v1.9 upstream
Require gcc excplicitly as a BuildRequires

Add SPDX license to oslat, and reformat source code to match suite

Remove undated Obsoletes from the specfile

Add the oslat program to the rt-tests suite