This is prepare for CONFIG_DEBUG_FS cleanup
Signed-off-by: NKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/878skzjc9k.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: NMark Brown <broonie@kernel.org>