ASoC: codecs: allow SSM2518 to be selected by the user

Allow the Analog SSM2518 driver to be enabled without a large
bunch of other drivers.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://lore.kernel.org/r/20210628210458.2508973-1-l.stach@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -1325,7 +1325,7 @@ config SND_SOC_SSM2305
 	  high-efficiency mono Class-D audio power amplifiers.
 
 config SND_SOC_SSM2518
-	tristate
+	tristate "Analog Devices SSM2518 Class-D Amplifier"
 	depends on I2C
 
 config SND_SOC_SSM2602