Add powerpc64le to CI
diff --git a/.travis.yml b/.travis.yml
index e3c30b0..fe0e7e4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -70,6 +70,7 @@
     - env: TARGET=x86_64-rumprun-netbsd
     - env: TARGET=powerpc-unknown-linux-gnu
     - env: TARGET=powerpc64-unknown-linux-gnu
+    - env: TARGET=powerpc64le-unknown-linux-gnu
     - env: TARGET=mips-unknown-linux-musl
     - env: TARGET=mipsel-unknown-linux-musl
     - env: TARGET=mips64-unknown-linux-gnuabi64