Disable USB CDC menu

As USB CDC is not yet present.
Disable its menu

Signed-off-by: Frederic.Pillon <frederic.pillon@st.com>

Author: fpistm

boards.txt

@@ -293,23 +293,23 @@ Disco.menu.Other_serial.enable_Serial2.build.enable_Serialx=-DENABLE_SERIAL2
 Nucleo_144.menu.USB_interface.enable_USB=None
 Nucleo_144.menu.USB_interface.enable_HID=HID keyboard and mouse support (if available)
 Nucleo_144.menu.USB_interface.enable_HID.build.enable_usb={build.usb_flags} -DUSBD_USE_HID_COMPOSITE
-Nucleo_144.menu.USB_interface.enable_CDC=CDC (if available)
-Nucleo_144.menu.USB_interface.enable_CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DUSE_USB_FS
+#Nucleo_144.menu.USB_interface.enable_CDC=CDC (if available)
+#Nucleo_144.menu.USB_interface.enable_CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DUSE_USB_FS
 
 Nucleo_64.menu.USB_interface.enable_USB=None
 Nucleo_64.menu.USB_interface.enable_HID=HID keyboard and mouse support (if available)
 Nucleo_64.menu.USB_interface.enable_HID.build.enable_usb={build.usb_flags} -DUSBD_USE_HID_COMPOSITE
-Nucleo_64.menu.USB_interface.enable_CDC=CDC (if available)
-Nucleo_64.menu.USB_interface.enable_CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DUSE_USB_FS
+#Nucleo_64.menu.USB_interface.enable_CDC=CDC (if available)
+#Nucleo_64.menu.USB_interface.enable_CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DUSE_USB_FS
 
 Nucleo_32.menu.USB_interface.enable_USB=None
 Nucleo_32.menu.USB_interface.enable_HID=HID keyboard and mouse support (if available)
 Nucleo_32.menu.USB_interface.enable_HID.build.enable_usb={build.usb_flags} -DUSBD_USE_HID_COMPOSITE
-Nucleo_32.menu.USB_interface.enable_CDC=CDC (if available)
-Nucleo_32.menu.USB_interface.enable_CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DUSE_USB_FS
+#Nucleo_32.menu.USB_interface.enable_CDC=CDC (if available)
+#Nucleo_32.menu.USB_interface.enable_CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DUSE_USB_FS
 
 Disco.menu.USB_interface.enable_USB=None
 Disco.menu.USB_interface.enable_HID=HID keyboard and mouse support (if available)
 Disco.menu.USB_interface.enable_HID.build.enable_usb={build.usb_flags} -DUSBD_USE_HID_COMPOSITE
-Disco.menu.USB_interface.enable_CDC=CDC (if available)
-Disco.menu.USB_interface.enable_CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DUSE_USB_FS
+#Disco.menu.USB_interface.enable_CDC=CDC (if available)
+#Disco.menu.USB_interface.enable_CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DUSE_USB_FS