Add examples dir, built with BUILD_EXAMPLES=1 (Makefiles, no CMake equivalent yet).

Move tools/wpa to examples/wpa, and unbreak its build.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88825 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed