ASoC: samsung: Fix a typo of CONFIG_SND_SOC_BT_SCO

... instead of CONFIG_SND_SOC_SCO.
Introduced in the commit 200ceb96.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/soc/samsung/Kconfig

@@ -39,7 +39,7 @@ config SND_SOC_SAMSUNG_NEO1973_WM8753
 	depends on SND_SOC_SAMSUNG && MACH_NEO1973_GTA02
 	select SND_S3C24XX_I2S
 	select SND_SOC_WM8753
-	select SND_SOC_SCO
+	select SND_SOC_BT_SCO
 	help
 	  Say Y here to enable audio support for the Openmoko Neo1973
 	  Smartphones.