This adds a missing dependency for SND_SOC_SMDK_WM8580_PCM to
require REGMAP_I2C to be enabled, avoiding possible build
erorrs.
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>