ARM: S5PV210: Add MOUT_DMC0 and SCLK_DMC0 clocks

This patch adds MOUT_DMC0 and SCLK_DMC0 for checking the dmc0 clock
in CPUFREQ driver.

Signed-off-by: Jaecheol Lee <jc.lee@samsung.com>
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>