Update the entry point function's prototype.

Add Doxygen function header.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6769 6f19259b-4bc3-4df7-8a09-765794883524

EdkCompatibilityPkg/Compatibility/ReadOnlyVariable2ToReadOnlyVariableThunk/ReadOnlyVariable2ToReadOnlyVariableThunk.c

@@ -75,29 +75,22 @@ EFI_PEI_PPI_DESCRIPTOR     mReadOnlyVariableThunkPresent = {
     NULL
 };
 
+/**
+  User entry for this PEIM driver.
+  
+  @param  FileHandle  Handle of the file being invoked.
+  @param  PeiServices Describes the list of possible PEI Services.
+
+  @retval EFI_SUCCESS ReadOnlyVariable2 PPI is successfully installed.
+  @return Others      ReadOnlyVariable2 PPI is not successfully installed.
+
+**/
 EFI_STATUS
 EFIAPI
 PeimInitializeReadOnlyVariable2 (
-  IN EFI_FFS_FILE_HEADER       *FfsHeader,
-  IN EFI_PEI_SERVICES          **PeiServices
+  IN EFI_PEI_FILE_HANDLE       FfsHeader,
+  IN CONST EFI_PEI_SERVICES    **PeiServices
   )
-/*++
-
-Routine Description:
-
-  Provide the functionality of the variable services.
-
-Arguments:
-
-  FfsHeadher  - The FFS file header
-  PeiServices - General purpose services available to every PEIM.
-
-Returns:
-
-  Status -  EFI_SUCCESS if the interface could be successfully
-            installed
-
---*/
 {
   VOID        *Interface;
   EFI_STATUS  Status;