@param StringBuffer The passed in pointer to the buffer which will\r
hold the typed in string if HotKey is FALSE\r
@param KeyValue The EFI_KEY value returned if HotKey is TRUE..\r
@param StringBuffer The passed in pointer to the buffer which will\r
hold the typed in string if HotKey is FALSE\r
@param KeyValue The EFI_KEY value returned if HotKey is TRUE..\r