switch pll on

Inc/stm32g0xx_it.h

@@ -51,6 +51,8 @@ void HardFault_Handler(void);
 void SVC_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void DMA1_Channel1_IRQHandler(void);
+void DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX1_OVR_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */