Add support for WASI in `CFUtilities.c` (#3031)
Add support for WASI in `CFUtilities.c` (#3031)

Processes, file access, platform info, and bundles aren't available on WASI, so these have to be disabled when compiling for that platform.
apple/swift-corelibs-foundation,apple/swift-corelibs-foundation,apple/swift-corelibs-foundation,apple/swift-corelibs-foundation,apple/swift-corelibs-foundation