redhat: spec: add cachestat to kselftest package

JIRA: https://issues.redhat.com/browse/RHEL-50302
Upstream Status: RHEL-only

Build, install and add cachestat kselftest to the appropriate package.

Signed-off-by: Eric Chanudet <echanude@redhat.com>

Author: eric-ch

redhat/kernel.spec.template

@@ -2783,7 +2783,7 @@ export BPFTOOL=$(pwd)/tools/bpf/bpftool/bpftool
 pushd tools/testing/selftests
 # We need to install here because we need to call make with ARCH set which
 # doesn't seem possible to do in the install section.
-%{make} %{?_smp_mflags} ARCH=$Arch V=1 TARGETS="bpf cgroup mm livepatch net net/forwarding net/mptcp netfilter tc-testing memfd drivers/net/bonding iommu" SKIP_TARGETS="" FORCE_TARGETS=1 INSTALL_PATH=%{buildroot}%{_libexecdir}/kselftests VMLINUX_H="${RPM_VMLINUX_H}" DEFAULT_INSTALL_HDR_PATH=0 install
+%{make} %{?_smp_mflags} ARCH=$Arch V=1 TARGETS="bpf cgroup mm livepatch net net/forwarding net/mptcp netfilter tc-testing memfd drivers/net/bonding iommu cachestat" SKIP_TARGETS="" FORCE_TARGETS=1 INSTALL_PATH=%{buildroot}%{_libexecdir}/kselftests VMLINUX_H="${RPM_VMLINUX_H}" DEFAULT_INSTALL_HDR_PATH=0 install
 
 # 'make install' for bpf is broken and upstream refuses to fix it.
 # Install the needed files manually.
@@ -3177,6 +3177,12 @@ find -type d -exec install -d %{buildroot}%{_libexecdir}/kselftests/iommu/{} \;
 find -type f -executable -exec install -D -m755 {} %{buildroot}%{_libexecdir}/kselftests/iommu/{} \;
 find -type f ! -executable -exec install -D -m644 {} %{buildroot}%{_libexecdir}/kselftests/iommu/{} \;
 popd
+# install cachestat selftests
+pushd tools/testing/selftests/cachestat
+find -type d -exec install -d %{buildroot}%{_libexecdir}/kselftests/cachestat/{} \;
+find -type f -executable -exec install -D -m755 {} %{buildroot}%{_libexecdir}/kselftests/cachestat/{} \;
+find -type f ! -executable -exec install -D -m644 {} %{buildroot}%{_libexecdir}/kselftests/cachestat/{} \;
+popd
 %endif
 
 ###