Move comment explaining the prescalers to the prescaler type decl. Fix typo in comment header. All pragma Elaborate_Body.
Move comment explaining the prescalers to the prescaler type decl.
Fix typo in comment header.
All pragma Elaborate_Body.

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