ASoC: macaudio: Condition selecting NCO driver on COMMON_CLK

Only select the NCO driver's symbol if COMMON_CLK is selected, otherwise
we risk misconfiguration.

Signed-off-by: Martin Povišer <povik+lin@cutebit.org>

Author: povik

sound/soc/apple/Kconfig

@@ -14,7 +14,7 @@ config SND_SOC_APPLE_MACAUDIO
 	select SND_SOC_APPLE_MCA
 	select SND_SIMPLE_CARD_UTILS
 	select APPLE_ADMAC if DMADEVICES
-	select COMMON_CLK_APPLE_NCO
+	select COMMON_CLK_APPLE_NCO if COMMON_CLK
 	select SND_SOC_TAS2764 if I2C
 	select SND_SOC_TAS2770 if I2C
 	select SND_SOC_CS42L83 if I2C