fixup! Add CI compiling rustc

Author: antoyo

tests/bootstraps/bootstrap.m68k-unknown-linux-gnu.toml

@@ -15,4 +15,4 @@ download-ci-gcc = true
 libgccjit-libs-dir = "/home/runner/libgccjit-libs-dir"
 
 [target.m68k-unknown-linux-gnu]
-cc = "/home/runner/cross-gcc/usr/bin/m68k-unknown-linux-gnu-gcc"
+cc = "/home/runner/work/rustc_codegen_gcc/rustc_codegen_gcc/cross-gcc/usr/bin/m68k-unknown-linux-gnu-gcc"