cranelift: Fix trampoline args for b1 types

Our DataValues only have one size of booleans so we are always going to
have this mismatch of sizes

cranelift/filetests/src/function_runner.rs

@@ -198,7 +198,7 @@ impl UnboxedValues {
         // Store the argument values into `values_vec`.
         for ((arg, slot), param) in arguments.iter().zip(&mut values_vec).zip(&signature.params) {
             assert!(
-                arg.ty() == param.value_type || arg.is_vector(),
+                arg.ty() == param.value_type || arg.is_vector() || arg.is_bool(),
                 "argument type mismatch: {} != {}",
                 arg.ty(),
                 param.value_type