FROMLIST: ARM: dts: rockchip: add i2s_clk_out to list of clocks used on rk3036 i2s

The I2S block that it needs to claim that output clock. This also
adds properties to model the relationship between the output clock and
the i2s clock itself, to ensure that the clock muxing is set correctly.

Signed-off-by: Caesar Wang <wxt@rock-chips.com>

Bug: 25923642
Patchset: rk3036 kylin bring up with codec device, audio can work.
Conflicts:
	arch/arm/boot/dts/rk3036.dtsi
(Note: remove the perious hclk<->sclk,, sync to upstream)

(am from https://patchwork.kernel.org/patch/8040991/)
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Change-Id: I4617df71b274748d5aa8b0461272ed46ec17400c
2 files changed