Add `ignore-cross-compile` to `remap-path-prefix-consts` run-make test

tests/run-make/remap-path-prefix-consts/rmake.rs

diff --git a/tests/run-make/remap-path-prefix-consts/rmake.rs b/tests/run-make/remap-path-prefix-consts/rmake.rs
index 02a75aa..d07a5e0 100644
--- a/tests/run-make/remap-path-prefix-consts/rmake.rs
+++ b/tests/run-make/remap-path-prefix-consts/rmake.rs
@@ -1,3 +1,4 @@
+//@ ignore-cross-compile (relocations in generic ELF against `arm-unknown-linux-gnueabihf`)
 //@ needs-target-std
 
 use run_make_support::{bin_name, cwd, run, rustc};