ASoC: tas2770: Fix reset gpio property name

Fix the reset property name when allocating the GPIO descriptor.
The gpiod_get_optional appends either the -gpio or -gpios suffix to the
name.

Fixes: 1a476abc ("tas2770: add tas2770 smart PA kernel driver")
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20200720181202.31000-2-dmurphy@ti.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/tas2770.c

@@ -759,8 +759,7 @@ static int tas2770_i2c_probe(struct i2c_client *client,
 		}
 	}
 
-	tas2770->reset_gpio = devm_gpiod_get_optional(tas2770->dev,
-							  "reset-gpio",
+	tas2770->reset_gpio = devm_gpiod_get_optional(tas2770->dev, "reset",
 						      GPIOD_OUT_HIGH);
 	if (IS_ERR(tas2770->reset_gpio)) {
 		if (PTR_ERR(tas2770->reset_gpio) == -EPROBE_DEFER) {