Starts adding rust in the toolchain

bench/programs_rust/fpga_lib/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "fpga_lib"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

bench/programs_rust/fpga_lib/src/lib.rs

@@ -0,0 +1,11 @@
+#![no_std]
+
+#[macro_export]
+macro_rules! panic_handler {
+    () => {
+        #[panic_handler]
+        fn panic(_info: &core::panic::PanicInfo) -> ! {
+            loop {}
+        }
+    };
+}