add lld = true to default dist profile

Make sure lld is enabled for dist profile unless it is explicitly disabled.

Signed-off-by: onur-ozkan <work@onurozkan.dev>

Author: onur-ozkan

src/bootstrap/defaults/config.dist.toml

@@ -16,6 +16,7 @@ download-ci-llvm = false
 # Make sure they don't get set when installing from source.
 channel = "nightly"
 download-rustc = false
+lld = true
 # Build the llvm-bitcode-linker
 llvm-bitcode-linker = true