On i.MX6SX SabreAuto board, there is external 24MHz clock
source for analog clock2, add this clock source to clock tree.

Signed-off-by: Anson Huang <redacted>
---
changes since V1:
	remove unnecessary clocks container.
 arch/arm/boot/dts/imx6sx-sabreauto.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index 72da5ac..a3b022b 100644
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts

@@ -18,6 +18,12 @@
 		reg = <0x80000000 0x80000000>;
 	};
 
+	codec_osc: anaclk2 {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <24576000>;
+	};
+
 	regulators {
 		compatible = "simple-bus";
 		#address-cells = <1>;

-- 
2.7.4