Clear up network stack to use R9 MdeLib:

1.Use driver model APIs in UefiLib
2.Register Unload Image in INF/MSA to be included in autogen code.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3962 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDriver.c

@@ -85,15 +85,14 @@ Returns:
 
 --*/
 {
-  return NetLibInstallAllDriverProtocolsWithUnload (
+  return EfiLibInstallAllDriverProtocols (
            ImageHandle,
            SystemTable,
            &gIp4ConfigDriverBinding,
            ImageHandle,
            &gIp4ConfigComponentName,
            NULL,
-           NULL,
-           EfiIp4ConfigUnload
+           NULL
            );
 }
 

MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDxe.inf

@@ -25,7 +25,7 @@
   EFI_SPECIFICATION_VERSION      = 0x00020000
 
   ENTRY_POINT                    = Ip4ConfigDriverEntryPoint
-
+  UNLOAD_IMAGE                   = EfiIp4ConfigUnload
 #
 # The following information is for reference only and not required by the build tools.
 #

MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDxe.msa

@@ -72,6 +72,7 @@
     <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
     <Extern>
       <ModuleEntryPoint>Ip4ConfigDriverEntryPoint</ModuleEntryPoint>
+      <ModuleUnloadImage>EfiIp4ConfigUnload</ModuleUnloadImage>
     </Extern>
   </Externs>
 </ModuleSurfaceArea>