[PATCH] WebAssembly: Disable subdirectory configuration for unsupported LD
Remove an LD subdirectory configuration error:
*** ld does not support target wasm32-unknown-none
*** see ld/configure.tgt for supported targets
make: *** [configure-ld] Error 1
which prevents binutils for the WebAssembly target from being built
unless an explicit `--disable-ld' configuration option has been given.
Users must not have to disable features selected by default to get a