This board has hardware switches for selecting SPI or I2C, so don't
require I2C for this driver.
Signed-off-by: NMike Frysinger <vapier@gentoo.org>
Acked-by: NLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>