Revert "ARM: dts: imx6qdl-wandboard: Fix audio channel swap"

This reverts commit 9de3a3bf which was
commit 79935915 upstream.

As Ben points out:
	This depends on:

	commit 570c70a6
	Author: Fabio Estevam <fabio.estevam@nxp.com>
	Date:   Wed Apr 5 11:32:34 2017 -0300

	    ASoC: sgtl5000: Allow LRCLK pad drive strength to be changed

which did not show up until 4.13, so this makes no sense to have in this
stable branch.
Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm/boot/dts/imx6qdl-wandboard.dtsi

@@ -88,7 +88,6 @@ codec: sgtl5000@0a {
 		clocks = <&clks 201>;
 		VDDA-supply = <&reg_2p5v>;
 		VDDIO-supply = <&reg_3p3v>;
-		lrclk-strength = <3>;
 	};
 };