Added origin to config for universal_origin benchmark (#6986)

polkadot/runtime/rococo/src/lib.rs

@@ -2095,7 +2095,7 @@ sp_api::impl_runtime_apis! {
 					Err(BenchmarkError::Skip)
 				}
 
-				fn universal_alias() -> Result<Junction, BenchmarkError> {
+				fn universal_alias() -> Result<(MultiLocation, Junction), BenchmarkError> {
 					// The XCM executor of Rococo doesn't have a configured `UniversalAliases`
 					Err(BenchmarkError::Skip)
 				}