ASoC: samsung: i2s: Provide I2S device for registered clocks

This patch adds pointer to I2S device to clk_register_* functions.
This in the future allow clock framework to ensure proper runtime state
of the I2S device during all operations on the clocks provided by I2S
module.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>