Modify include of HAL, and remove CMSIS clock configuration code, and implement UART for STM32F407Disco

hw/bsp/stm32f401blackpill/stm32f401blackpill.c

@@ -100,6 +100,9 @@ static void SystemClock_Config(void)
 
 void board_init(void)
 {
+  SystemClock_Config();
+  all_rcc_clk_enable();
+
 #if CFG_TUSB_OS == OPT_OS_NONE
   // 1ms tick timer
   SysTick_Config(SystemCoreClock / 1000);
@@ -107,11 +110,7 @@ void board_init(void)
   // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
   //NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
 #endif
-
-  SystemClock_Config();
-  SystemCoreClockUpdate();
-  all_rcc_clk_enable();
-
+  
   GPIO_InitTypeDef  GPIO_InitStruct;
 
   // LED