internal/rosa/llvm: pass patches via helper

This was missed while migrating LLVM to the new interface.

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

internal/rosa/llvm.go

@@ -161,14 +161,13 @@ ln -s ld.lld /work/system/bin/ld
 		)
 	}
 
-	return t.NewPackage("llvm", version, t.NewPatchedSource(
+	return t.NewPackage("llvm", version, pkg.NewHTTPGetTar(
-		"llvmorg", version, pkg.NewHTTPGetTar(
+		nil, "https://github.com/llvm/llvm-project/archive/refs/tags/"+
-			nil, "https://github.com/llvm/llvm-project/archive/refs/tags/"+
+			"llvmorg-"+version+".tar.gz",
-				"llvmorg-"+version+".tar.gz",
+		mustDecode(checksum),
-			mustDecode(checksum),
+		pkg.TarGzip,
-			pkg.TarGzip,
-		), true, attr.patches...,
 	), &PackageAttr{
+		Patches:   attr.patches,
 		NonStage0: attr.nonStage0,
 
 		Env: slices.Concat([]string{