[ALSA] Select I2C and I2C_POWERMAC in aoa/codecs/Kconfig

Added the missing selection of I2C and I2C_POWERMAC
for Onyx and TAS codecs in aoa/codecs/Kconfig.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

sound/aoa/codecs/Kconfig

 config SND_AOA_ONYX
 	tristate "support Onyx chip"
 	depends on SND_AOA
+	select I2C
+	select I2C_POWERMAC
 	---help---
 	This option enables support for the Onyx (pcm3052)
 	codec chip found in the latest Apple machines
@@ -18,6 +20,8 @@ config SND_AOA_ONYX
 config SND_AOA_TAS
 	tristate "support TAS chips"
 	depends on SND_AOA
+	select I2C
+	select I2C_POWERMAC
 	---help---
 	This option enables support for the tas chips
 	found in a lot of Apple Machines, especially