The AT91SAM20-EK has a WM8731 attached to it with MCLK supplied from
PCLK0 and the digital audio interface supplied by SSC0.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: NAndrew Victor <linux@maxim.org.za>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>