ASoC: Fix SND_SOC_ALL_CODECS imply I2C fallout

Fixes for CONFIG_I2C=n:

    WARNING: unmet direct dependencies detected for REGMAP_I2C
      Depends on [n]: I2C [=n]
      Selected by [m]:
      - SND_SOC_ADAU1781_I2C [=m] && SOUND [=m] && !UML && SND [=m] && SND_SOC [=m]
      - SND_SOC_ADAU1977_I2C [=m] && SOUND [=m] && !UML && SND [=m] && SND_SOC [=m]
      - SND_SOC_RT5677 [=m] && SOUND [=m] && !UML && SND [=m] && SND_SOC [=m]

    sound/soc/codecs/...: error: type defaults to ‘int’ in declaration of ‘module_i2c_driver’ [-Werror=implicit-int]

    drivers/base/regmap/regmap-i2c.c: In function ‘regmap_smbus_byte_reg_read’:
    drivers/base/regmap/regmap-i2c.c:25:8: error: implicit declaration of function ‘i2c_smbus_read_byte_data’; did you mean ‘i2c_set_adapdata’? [-Werror=implicit-function-declaration]

Fixes: ea00d952

 ("ASoC: Use imply for SND_SOC_ALL_CODECS")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20200212145650.4602-3-geert@linux-m68k.org
Signed-off-by: Mark Brown <broonie@kernel.org>