usb: gadget Move: CONFIG_G_DNL_* to Kconfig

And also reformat defconfigs using "make savedefconfig" rule.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 969873c..a35a1c7 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -86,4 +86,17 @@
 	  Composite USB download gadget support (g_dnl) for download functions.
 	  This code works on top of composite gadget.
 
+if USB_GADGET_DOWNLOAD
+
+config G_DNL_MANUFACTURER
+	string "Vendor name of USB device"
+
+config G_DNL_VENDOR_NUM
+	hex "Vendor ID of USB device"
+
+config G_DNL_PRODUCT_NUM
+	hex "Product ID of USB device"
+
+endif # USB_GADGET_DOWNLOAD
+
 endif # USB_GADGET