/**\r
Registers a handler to execute within SMM.\r
\r
- @param[in] Handler Handler service funtion pointer.\r
+ @param[in] Handler Handler service function pointer.\r
@param[in] HandlerType Points to the handler type or NULL for root SMI handlers.\r
@param[out] DispatchHandle On return, contains a unique handle which can be used to later\r
unregister the handler function.\r