[PATCH v7 1/3] Documentation: dt: net: add ath9k wireless device binding

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+* Qualcomm Atheros ath9k wireless devices
+
+This node provides properties for configuring the ath9k wireless device. The
+node is expected to be specified as a child node of the PCI controller to
+which the wireless chip is connected.
+
+Required properties:
+- compatible: For PCI and PCIe devices this should be an identifier following
+		the format as defined in "PCI Bus Binding to Open Firmware"
+		Revision 2.1. One of the possible formats is "pciVVVV,DDDD"
+		where VVVV is the PCI vendor ID and DDDD is PCI device ID.
+- reg: Address and length of the register set for the device.
+
+Optional properties:
+- qca,no-eeprom: Indicates that there is no physical EEPROM connected to the
+			ath9k wireless chip (in this case the calibration /
+			EEPROM data will be loaded from userspace using the
+			kernel firmware loader).
+- mac-address: See ethernet.txt in the parent directory
+- local-mac-address: See ethernet.txt in the parent directory
+
+
+In this example, the node is defined as child node of the PCI controller:
+&pci0 {
+	ath9k@168c,002d {
+		compatible = "pci168c,002d";
+		reg = <0x7000 0 0 0 0x1000>;
+		qca,no-eeprom;
+	};
+};