Explitly use LLD as linker

Author: sandhose

.config/cargo.toml

@@ -1,4 +1,7 @@
 # On x86_64, we target the x86-64-v2 psABI, as it is a good compromise between
 # modern CPU instructions and compatibility.
 [target.x86_64-unknown-linux-gnu]
-rustflags = ["-C", "target-cpu=x86-64-v2"]
+rustflags = ["-C", "target-cpu=x86-64-v2", "-C", "link-arg=-fuse-ld=lld"]
+
+[target.aarch64-unknown-linux-gnu]
+rustflags = ["-C", "link-arg=-fuse-ld=lld"]