chore(ci): fix s390x drivers ci by symlimking libbpf headers.

Signed-off-by: Federico Di Pierro <[email protected]>

.github/workflows/drivers_ci.yml

@@ -222,6 +222,7 @@ jobs:
             git clone https://github.com/libbpf/libbpf.git --branch v1.3.0 --single-branch
             cd libbpf/src && BUILD_STATIC_ONLY=y DESTDIR=/ make install
             ln -s /usr/lib64/libbpf.a /usr/lib/s390x-linux-gnu/
+            ln -s /usr/include/bpf /usr/include/s390x-linux-gnu/
           # Please note: we cannot inject the BPF probe inside QEMU, so right now, we only build it
           run: |
             git config --global --add safe.directory $GITHUB_WORKSPACE