* Update docker-build steps in Makefile.release

for different architectures
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Update to use `case ... esac` in shell script
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Remove `RUN` cmd in Dockerfile in case of non amd64 CPU

ssl will only be supported on amd64 CPUs for now.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>