moveconfig: fix error message in do_autoconf()

Move the % arch outside the double quote so that the missing toolchain
message is displayed correctly.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/tools/moveconfig.py b/tools/moveconfig.py
index e311646..bdd4899 100755
--- a/tools/moveconfig.py
+++ b/tools/moveconfig.py
@@ -1170,7 +1170,7 @@
             toolchain = self.toolchains.Select(arch)
         except ValueError:
             self.log += color_text(self.options.color, COLOR_YELLOW,
-                    "Tool chain for '%s' is missing.  Do nothing.\n % arch")
+                    "Tool chain for '%s' is missing.  Do nothing.\n" % arch)
             self.finish(False)
             return
 	env = toolchain.MakeEnvironment(False)