drivers: media: tvout: update s5p_ddc power management

<6>[    2.400174] c0 i2c i2c-5: attached s5p_ddc into i2c adapter successfully
<4>[    2.400323] c0 i2c-core: driver [s5p_ddc] using legacy suspend method
<4>[    2.400335] c0 i2c-core: driver [s5p_ddc] using legacy resume method

To do: check runtime power management compat

Signed-off-by: Humberto Borba <humberos@gmail.com>
Change-Id: I313d80c61bb15699a375472c55ff5c0faf887d21