arm: mvebu: Enable USB controllers on Armada 370/XP boards

This patch activates every USB port provided by each SoC.
Except for Armada XP Openblocks AX3-4 board,
where we enable only the first two USB ports
until we have more information on the third one usage.

Cc: Lior Amsalem <[e-mail]>
Cc: Thomas Petazzoni <[e-mail]>
Cc: Gregory CLEMENT <[e-mail]>
Tested-by: Nobuhiro Iwamatsu <[e-mail]>
Tested-by: Florian Fainelli <[e-mail]>
Signed-off-by: Ezequiel Garcia <[e-mail]>
Signed-off-by: Jason Cooper <[e-mail]>

arch/arm/boot/dts/armada-370-db.dts

···
 			status = "disabled";
 			/* No CD or WP GPIOs */
 		};
+
+		usb@d0050000 {
+			status = "okay";
+		};
+
+		usb@d0051000 {
+			status = "okay";
+		};
 	};
 };

arch/arm/boot/dts/armada-370-mirabox.dts

···
 			 * Wifi/Bluetooth chip
 			 */
 		};
+
+		usb@d0050000 {
+			status = "okay";
+		};
+
+		usb@d0051000 {
+			status = "okay";
+		};
 	};
 };

arch/arm/boot/dts/armada-xp-db.dts

···
 			status = "okay";
 			/* No CD or WP GPIOs */
 		};
+
+		usb@d0050000 {
+			status = "okay";
+		};
+
+		usb@d0051000 {
+			status = "okay";
+		};
+
+		usb@d0052000 {
+			status = "okay";
+		};
 	};
 };

arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts

···
 			nr-ports = <2>;
 			status = "okay";
 		};
+		usb@d0050000 {
+			status = "okay";
+		};
+		usb@d0051000 {
+			status = "okay";
+		};
 	};
 };