configs: khadas-vim2: Enable USB gadget with Mass Storage function

Enable configs to support USB gadget and Mass Storage

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/configs/khadas-vim2_defconfig b/configs/khadas-vim2_defconfig
index 9cb377e..a533566 100644
--- a/configs/khadas-vim2_defconfig
+++ b/configs/khadas-vim2_defconfig
@@ -20,6 +20,7 @@
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_REGULATOR=y
 CONFIG_OF_CONTROL=y
@@ -49,4 +50,10 @@
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_XHCI_DWC3_OF_SIMPLE=y
 CONFIG_USB_DWC3=y
+# CONFIG_USB_DWC3_GADGET is not set
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_VENDOR_NUM=0x1b8e
+CONFIG_USB_GADGET_PRODUCT_NUM=0xfada
+CONFIG_USB_GADGET_DWC2_OTG=y
+CONFIG_USB_GADGET_DOWNLOAD=y
 CONFIG_OF_LIBFDT_OVERLAY=y