Limit libcpupower dependency to where it is present

JIRA: https://issues.redhat.com/browse/RHEL-65488

Only add BuildRequires for kernel-tools-libs-devel on architectures
which are in kernel's cpupowerarchs, i.e. i686, x86_64, ppc64le,
aarch64.

Signed-off-by: Tomas Glozar <tglozar@redhat.com>

realtime-tests.spec

@@ -1,7 +1,7 @@
 Name: realtime-tests
 Summary: Programs that test various rt-features
 Version: 2.8
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: GPL-2.0-only AND GPL-2.0-or-later AND GPL-3.0-only AND LGPL-2.1-or-later
 URL: https://git.kernel.org/pub/scm/utils/rt-tests/rt-tests.git
 Source0: https://www.kernel.org/pub/linux/utils/rt-tests/rt-tests-%{version}.tar.xz
@@ -11,7 +11,10 @@ BuildRequires: make
 BuildRequires: gcc
 BuildRequires: numactl-devel
 BuildRequires: python3-devel
+# Architectures we build tools/cpupower on
+%ifarch i686 x86_64 ppc64le aarch64
 BuildRequires: kernel-tools-libs-devel
+%endif
 Requires: bash
 Requires: bc
 
@@ -75,7 +78,11 @@ latency. It also tests the functioning of priority-inheritance mutexes.
 %{_mandir}/man8/determine_maximum_mpps.8.*
 
 %changelog
-* Wed Dec 09 2024 Tomas Glozar <tglozar@redhat.com> - 2.8-2
+* Fri Dec 13 2024 Tomas Glozar <tglozar@redhat.com> - 2.8-3
+- Limit libcpupower dependency to where it is present
+Resolves: RHEL-65488
+
+* Wed Dec 04 2024 Tomas Glozar <tglozar@redhat.com> - 2.8-2
 - Fix building against libcpupower
 Resolves: RHEL-65488