dm: usb: Adjust the USB_DEVICE() macro naming

In Linux USB_DEVICE() is used to declare a USB device by vendor/device ID.
We should follow the same convention in U-Boot. Rename the existing
USB_DEVICE() macro to U_BOOT_USB_DEVICE() and bring in the USB_DEVICE()
macro from Linux for use in U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index e2af67d..0227024 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -540,8 +540,8 @@
 	debug("%s: Probing for keyboard\n", __func__);
 #ifdef CONFIG_DM_USB
 	/*
-	 * TODO: We should add USB_DEVICE() declarations to each USB ethernet
-	 * driver and then most of this file can be removed.
+	 * TODO: We should add U_BOOT_USB_DEVICE() declarations to each USB
+	 * keyboard driver and then most of this file can be removed.
 	 */
 	struct udevice *bus;
 	struct uclass *uc;