enabling lint and doc for PPC64LE

Author: ezeeyahoo

.travis.yml

@@ -44,8 +44,14 @@ matrix:
       arch: ppc64le
     - python: 3.7
       env: TOXENV=doc
+    - python: 3.7
+      env: TOXENV=doc
+      arch: ppc64le
     - python: 3.7
       env: TOXENV=lint
+    - python: 3.7
+      env: TOXENV=lint
+      arch: ppc64le
     - python: 2.7
       env: TOXENV=pep8py2
     - python: 3.7