ASoC: wm8580: Remove #if IS_ENABLED(CONFIG_I2C)

wm8580 driver doesn't work without CONFIG_I2C anyway.
Let's remove #if IS_ENABLED(CONFIG_I2C), and use module_i2c_driver().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed