clk: samsung: register audio subsystem clocks using common clock framework

clk: samsung: register audio subsystem clocks using common clock framework

Audio subsystem is introduced in s5pv210 and exynos platforms.
This has seperate clock controller which can control i2s0 and
pcm0 clocks. This patch registers the audio subsystem clocks
with the common clock framework on Exynos family.

Signed-off-by: Padmavathi Venna <[email protected]>
Reviewed-by: Sylwester Nawrocki <[email protected]>
Reviewed-by: Doug Anderson <[email protected]>
Acked-by: Mike Turquette <[email protected]>
Signed-off-by: Kukjin Kim <[email protected]>