ASoC: sh: Migo-R sound needs I2C

The WM8978 driver needs I2C to be enabled, so the
SND_SIU_MIGOR option also requires this.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NXia Kaixu <kaixu.xia@linaro.org>
Signed-off-by: NMark Brown <broonie@linaro.org>

sound/soc/sh/Kconfig

@@ -56,7 +56,7 @@ config SND_SH7760_AC97
 
 config SND_SIU_MIGOR
 	tristate "SIU sound support on Migo-R"
-	depends on SH_MIGOR
+	depends on SH_MIGOR && I2C
 	select SND_SOC_SH4_SIU
 	select SND_SOC_WM8978
 	help