build: enable compilation for linuxOne

Changes to Node core in order to allow compilation for linuxOne.

The ../archs/linux32-s390x/opensslconf.h and
../archs/linux64-s390x/opensslconf.h were automatically
generated by running make linux-ppc linux-ppc64 in the
deps/openssl/config directory as per our standard
practice

After these changes we still need a version of v8
which supports linuxOne but that will be coming soon
in the 5.1 version of v8.  Until then with these changes
we'll be able to create a hybrid build which pulls in
v8 from the http://github/andrewlow repo.

PR-URL: https://github.com/nodejs/node/pull/5941


Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>