Clean up ExtendedHiiLib, HiiLib, IfrSupportLib, ExtendedIfrSupportLib for Doxygen comments requirement.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5459 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Library/ExtendedHiiLib/ExtendedHiiLib.c

@@ -51,7 +51,21 @@ HII_VENDOR_DEVICE_PATH  mHiiVendorDevicePathTemplate = {
   }
 };
 
+/**
+  The HII driver handle passed in for HiiDatabase.NewPackageList() requires
+  that there should be DevicePath Protocol installed on it.
+  This routine create a virtual Driver Handle by installing a vendor device
+  path on it, so as to use it to invoke HiiDatabase.NewPackageList().
+  The Device Path created is a Vendor Device Path specific to Intel's implemenation
+  and it is defined as HII_VENDOR_DEVICE_PATH_NODE.
+  
 
+  @param  DriverHandle           Handle to be returned
+
+  @retval EFI_SUCCESS            Handle destroy success.
+  @retval EFI_OUT_OF_RESOURCES   Not enough memory.
+
+**/
 EFI_STATUS
 EFIAPI
 HiiLibCreateHiiDriverHandle (
@@ -85,6 +99,16 @@ HiiLibCreateHiiDriverHandle (
 }
 
 
+/**
+  Destroy the Driver Handle created by CreateHiiDriverHandle().
+
+  If no Device Path protocol is installed on the DriverHandle, then ASSERT.
+  If this Device Path protocol is failed to be uninstalled, then ASSERT.
+
+  @param  DriverHandle           Handle returned by CreateHiiDriverHandle()
+
+
+**/
 VOID
 EFIAPI
 HiiLibDestroyHiiDriverHandle (