Correct typo in comments, clean IfrSupportLib.h

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7494 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Include/Library/ExtendedIfrSupportLib.h

@@ -51,6 +51,7 @@ CreateBannerOpCode (
 
 **/
 EFI_STATUS
+EFIAPI
 IfrLibInitUpdateData (
   IN OUT EFI_HII_UPDATE_DATA   *UpdateData,
   IN UINT32                    BufferSize
@@ -65,6 +66,7 @@ IfrLibInitUpdateData (
 
 **/
 VOID
+EFIAPI
 IfrLibFreeUpdateData (
   IN EFI_HII_UPDATE_DATA       *UpdateData
   )
@@ -104,7 +106,7 @@ IfrLibUpdateForm (
   );
 
 /**
-  Extract formset class for given HII handle.
+  Extract EDKII extended formset class for a given HII handle.
 
   If Handle is not a valid EFI_HII_HANDLE in the default HII database, then
   ASSERT.
@@ -134,7 +136,7 @@ IfrLibExtractClassFromHiiHandle (
 /**
   Configure the buffer accrording to ConfigBody strings in the format of
   <Length:4 bytes>, <Offset: 2 bytes>, <Width:2 bytes>, <Data:n bytes>.
-  This ConfigBody strings is generated by UEFI VfrCompiler for the default
+  This ConfigBody strings is generated by EDKII UEFI VfrCompiler for the default
   values in a Form Set. The name of the ConfigBody strings is VfrMyIfrNVDataDefault0000
   constructed following this rule: 
    "Vfr" + varstore.name + "Default" + defaultstore.attributes.