Add missing ADC driver

* Add missing ADC driver from STM32F4xx_StdPeriph_Lib_V1.3.0

Add missing ADC driver
* Add missing ADC driver from STM32F4xx_StdPeriph_Lib_V1.3.0
b4e374f1 · mux · ca318bba · b4e374f1 · b4e374f1
Commit b4e374f1 authored Jan 14, 2014 by mux
--- a/stm/lib/stm32f4xx_adc.c
+++ b/stm/lib/stm32f4xx_adc.c
--- a/stm/lib/stm32f4xx_adc.h
+++ b/stm/lib/stm32f4xx_adc.h