We need to use snd_soc_component_read()
instead of     snd_soc_component_read32()

This patch renames _read32() to _read()
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87imfr4mdl.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>