Dockerfile.s390x.ubi: rename from Dockerfile.s390x, add gcc-gfortran dependency (#352)

`gcc-gfortran` package is required for scipy build/install

Signed-off-by: Dilip Gowda Bhagavan <[email protected]>

Author: dilipgb

Dockerfile.s390x renamed to Dockerfile.s390x.ubi

@@ -16,7 +16,7 @@ ENV LANG=C.UTF-8 \
 RUN microdnf install -y \
     which procps findutils tar vim git gcc g++ make patch zlib-devel \
     libjpeg-turbo-devel libtiff-devel libpng-devel libwebp-devel freetype-devel harfbuzz-devel \
-    openssl-devel openblas openblas-devel autoconf automake libtool cmake && \
+    openssl-devel openblas openblas-devel autoconf automake libtool cmake gcc-gfortran && \
     microdnf clean all
 
 # Python Installation