internal/rosa/gnu: coreutils artifact

Required by llvm unit and regression tests.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/llvm.go

@@ -130,6 +130,7 @@ func (t Toolchain) newLLVM(variant string, attr *llvmAttr) pkg.Artifact {
 		t.NewPerl(),
 		t.NewDiffutils(),
 		t.NewBash(),
+		t.NewCoreutils(),
 
 		t.NewKernelHeaders(),
 	}