clk: imx: Add new clo01 and clo2 controlled by CCOSR

osc->cko2_sel->cko2_podf->clk_cko2->clk_cko

Example of usage to provide clock to the sgtl5000

codec: sgtl5000@0a {
	compatible = "fsl,sgtl5000";
	reg = <0x0a>;
	clocks = <&clks IMX6UL_CLK_OSC>;
	#sound-dai-cells = <0>;
	clocks = <&clks IMX6UL_CLK_CKO>;
	assigned-clocks = <&clks IMX6UL_CLK_CKO2_SEL>,
			  <&clks IMX6UL_CLK_CKO2_PODF>,
			  <&clks IMX6UL_CLK_CKO2>,
			  <&clks IMX6UL_CLK_CKO>;
	assigned-clock-parents = <&clks IMX6UL_CLK_OSC>,
				 <&clks IMX6UL_CLK_CKO2_SEL>,
				 <&clks IMX6UL_CLK_CKO2_PODF>,
				 <&clks IMX6UL_CLK_CKO2>;
	clock-names = "mclk";
	wlf,shared-lrclk;

Signed-off-by: Matteo Lisi <matteo.lisi@engicam.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Tested-by: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>