stmhal/boards/NUCLEO_F429ZI: Change USB config from HS to FS peripheral.

This dev board only has a single USB connector, connected to the FS
peripheral.

stmhal/boards/NUCLEO_F429ZI/stm32f4xx_hal_conf.h

@@ -46,8 +46,7 @@
 /* Exported types ------------------------------------------------------------*/
 /* Exported constants --------------------------------------------------------*/
 
-#define USE_USB_HS
-#define USE_USB_HS_IN_FS
+#define USE_USB_FS
 
  /* ########################## Module Selection ############################## */
 /**