[zorg] Add solaris11-amd64, solaris11-sparcv9 builders
I'm working to provide two Solaris 11.4 build slaves with a clang builder
each, one on amd64, the other on sparcv9. I'm still working out the
details like parallelism and max_builds, but the attached patch captures
the basics, intended to be minimal.
Differential Revision: https://reviews.llvm.org/D63495