updated generate yml file

Author: sandeepgupta12

.github/workflows/_binary-build-linux.yml

@@ -202,7 +202,9 @@ jobs:
             { include: [
               { config: "default" },
             ]}
-
+      - name: Build Docker image for ppc64le
+        run: |
+          docker build -f .ci/docker/manywheel/Dockerfile_ppc64le -t pytorch/manylinuxppc64le-builder:cpu-ppc64le-main .
       - name: Pull Docker image
         if: ${{ steps.filter.outputs.is-test-matrix-empty == 'False' && inputs.build_environment != 'linux-s390x-binary-manywheel' && inputs.build_environment != 'linux-ppc64le-binary-manywheel' }}
         uses: pytorch/test-infra/.github/actions/pull-docker-image@main