tmp: point to fork to trigger llvm rebuild

Author: lqd

.gitmodules

@@ -32,7 +32,7 @@
 	shallow = true
 [submodule "src/llvm-project"]
 	path = src/llvm-project
-	url = https://github.com/rust-lang/llvm-project.git
+	url = https://github.com/lqd/llvm-project.git
 	branch = rustc/19.1-2024-07-30
 	shallow = true
 [submodule "src/doc/embedded-book"]