ARM: dts: hummingboard: add mSATA support for iMX6 quad/dual HummingBoard

Initial patch from Rabeeh, but with the electrical properties added.
Signed-off-by: NRabeeh Khoury <rabeeh@solid-run.com>
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-hummingboard.dts

@@ -11,3 +11,11 @@
 	model = "SolidRun HummingBoard Dual/Quad";
 	compatible = "solidrun,hummingboard/q", "fsl,imx6q";
 };
+
+&sata {
+	status = "okay";
+	fsl,transmit-level-mV = <1025>;
+	fsl,transmit-boost-mdB = <3330>;
+	fsl,transmit-atten-16ths = <9>;
+	fsl,receive-eq-mdB = <3000>;
+};