ARM: dts: cubox-i: add eSATA DT configuration

Add the transmit level, boost and attenuation parameters necessary for
the eSATA interface on Cubox-i to work.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: NShawn Guo <shawn.guo@freescale.com>

arch/arm/boot/dts/imx6q-cubox-i.dts

@@ -13,4 +13,7 @@
 
 &sata {
 	status = "okay";
+	fsl,transmit-level-mV = <1104>;
+	fsl,transmit-boost-mdB = <0>;
+	fsl,transmit-atten-16ths = <9>;
 };