ASoC: pxa: make SND_PXA2XX_SOC_I2S selectable

Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/pxa/Kconfig

@@ -31,7 +31,7 @@ config SND_PXA2XX_SOC_I2S
 	tristate
 
 config SND_PXA_SOC_SSP
-	tristate
+	tristate "Soc Audio via PXA2xx/PXA3xx SSP ports"
 	select PXA_SSP
 
 config SND_MMP_SOC_SSPA