add missing adc file
add missing adc file

ellamosi/Ada_BMP_Library,AdaCore/Ada_Drivers_Library,simonjwright/Ada_Drivers_Library,simonjwright/Ada_Drivers_Library,Fabien-Chouteau/Ada_Drivers_Library,AdaCore/Ada_Drivers_Library,lambourg/Ada_Drivers_Library,Fabien-Chouteau/Ada_Drivers_Library