redhat/kernel.spec.template: add net packetdrill selftests

JIRA: https://issues.redhat.com/browse/RHEL-84659
Upstream Status: kernel-ark.git commit 716bf7ccea40

conflicts: context conflicts as kernel-ark doesn't have commits 929f055
("redhat/spec: Install all selftests in a single step") and some other
RHEL only updates.

commit 716bf7ccea40627adc9f92f404b951d9acdd8366
Author: Hangbin Liu <haliu@redhat.com>
Date:   Mon Apr 7 11:35:20 2025 +0800

    redhat/kernel.spec.template: add net packetdrill selftests

    Add net packetdrill selftests to internal selftests rpm.

    Signed-off-by: Hangbin Liu <haliu@redhat.com>

Signed-off-by: Hangbin Liu <haliu@redhat.com>

Author: Hangbin Liu

redhat/kernel.spec.template

@@ -3242,7 +3242,7 @@ pushd tools/testing/selftests
 %undefine _fortify_level
 export CFLAGS="%{build_cflags}"
 
-TARGETS="bpf cgroup mm net net/forwarding net/mptcp net/netfilter tc-testing memfd drivers/net/bonding iommu cachestat"
+TARGETS="bpf cgroup mm net net/forwarding net/mptcp net/netfilter net/packetdrill tc-testing memfd drivers/net/bonding iommu cachestat"
 %{make} %{?_smp_mflags} EXTRA_CFLAGS="${RPM_OPT_FLAGS}" EXTRA_CXXFLAGS="${RPM_OPT_FLAGS}" EXTRA_LDFLAGS="%{__global_ldflags}" ARCH=$Arch V=1 TARGETS="$TARGETS" SKIP_TARGETS="" $force_targets VMLINUX_H="${RPM_VMLINUX_H}"
 
 # Restore the original level of source fortification
@@ -3624,6 +3624,12 @@ find -type d -exec install -d %{buildroot}%{_libexecdir}/kselftests/net/netfilte
 find -type f -executable -exec install -D -m755 {} %{buildroot}%{_libexecdir}/kselftests/net/netfilter/{} \;
 find -type f ! -executable -exec install -D -m644 {} %{buildroot}%{_libexecdir}/kselftests/net/netfilter/{} \;
 popd
+# install net/packetdrill selftests
+pushd tools/testing/selftests/net/packetdrill
+find -type d -exec install -d %{buildroot}%{_libexecdir}/kselftests/net/packetdrill/{} \;
+find -type f -executable -exec install -D -m755 {} %{buildroot}%{_libexecdir}/kselftests/net/packetdrill/{} \;
+find -type f ! -executable -exec install -D -m644 {} %{buildroot}%{_libexecdir}/kselftests/net/packetdrill/{} \;
+popd
 
 # install memfd selftests
 pushd tools/testing/selftests/memfd