[BSP][NS800RT7P65] Add ADC driver support

Author: NinoC137

bsp/novosns/ns800/libraries/HAL_Drivers/drivers/SConscript

@@ -19,6 +19,9 @@ if GetDepend('BSP_USING_CAN'):
 if GetDepend('BSP_USING_ECAP'):
     src += ['drv_ecap.c']
 
+if GetDepend('BSP_USING_ADC'):
+    src += ['drv_adc.c']
+
 if GetDepend('BSP_USING_TIM'):
     src += ['drv_timer.c']