build: First set of updates to enable PPC support
These are the core changes that allow pLinux BE/LE compile. They don't include all of the changes needed for AIX which will follow once we have pLinux up and running in the builds
modified: Makefile
modified: common.gypi
modified: configure
new file: deps/openssl/config/archs/linux-ppc/opensslconf.h
new file: deps/openssl/config/archs/linux-ppc64/opensslconf.h
modified: deps/openssl/config/opensslconf.h
modified: deps/openssl/openssl.gyp
modified: deps/openssl/openssl.gypi
modified: tools/test.py
modified: tools/utils.py