ARM: S5PC100: Modify SCLK_AUDIO{0,1,2} clock as sysclks

This patch modify SCLK_AUDIO{0,1,2} to be initial as sysclks
on boot-time.

Signed-off-by: Seungwhan Youn <sw.youn@samsung.com>
Acked-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>