Update to latest rt-tests upstream v2.4

Fix parsing of affinity
Ignore the runtime cpumask if a new cpumask is requested

Update to latest upstream 2.3
Correct the comment of numa_initialize()
oslat.8: Remove the argument of --bias

Fix potential double mount of cgroups for deadline_test
Fix potential double mount of cgroups for cyclicdeadline

Null check to prevent floating point exception in deadline test

Add missing option F to optstring

Update to rt-tests-2.1 upstream

parse_cpumask() is too strict for oslat, allow all possible cores

print the version number in oslat everytime.
use cpuset size as upper bound in loop in oslat
allocate memory for cpu_set in oslat

Upgrade to upstream rt-tests-1.10

Don't compress manpages by default in the makefile
Add a menu to determine_maximum_mpps.sh
Add determine_maximum_mmps.8 manpage
Remove get_cpuinfo_mhz.sh and old Makefile in queuelat dir

Update to upstream rt-tests-1.9
Add BuildRequires for gcc
use set_build_flags
use macros _bindir, _mandir and _prefix where possible
remove unnecessary clean section, simply build and install sections

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

Change the conversion format to %ld for the num_processors in pi_stress