ARM: S3C64XX: Add devices for Kilchoman audio module on Cragganmore

The Kilchoman audio module carries a WM5100 audio CODEC and WM9081 speaker
amplifier.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>