Add linux ppc64le runner

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26312)

.github/workflows/os-zoo.yml

@@ -177,3 +177,20 @@ jobs:
       run: ./util/opensslwrap.sh version -c
     - name: make test
       run: make test HARNESS_JOBS=${HARNESS_JOBS:-4}
+
+  linux-ppc64le:
+    runs-on: linux-ppc64le
+    steps:
+    - uses: actions/checkout@v4
+    - name: config
+      run: ./config enable-fips enable-ec_nistp_64_gcc_128 enable-md2 enable-rc5 enable-ssl3 enable-ssl3-method enable-trace
+    - name: config dump
+      run: ./configdata.pm --dump
+    - name: make
+      run: make -j4
+    - name: get cpu info
+      run: |
+        cat /proc/cpuinfo
+        ./util/opensslwrap.sh version -c
+    - name: make test
+      run: make test HARNESS_JOBS=${HARNESS_JOBS:-4}