NetworkPkg: Move Network library and drivers from MdeModulePkg to NetworkPkg

Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>

NetworkPkg/MnpDxe/MnpDxe.inf

@@ -0,0 +1,68 @@
+## @file
+#  This module produces EFI MNP Protocol, EFI MNP Servie Binding Protocol and EFI VLAN Protocol.
+#
+#  This module produces EFI Managed Network Protocol upon EFI Simple Network Protocol,
+#  to provide raw asynchronous network I/O services. It also produces EFI VLAN Protocol
+#  to provide manageability interface for VLAN configuration.
+#
+#  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = MnpDxe
+  MODULE_UNI_FILE                = MnpDxe.uni
+  FILE_GUID                      = 025BBFC7-E6A9-4b8b-82AD-6815A1AEAF4A
+  MODULE_TYPE                    = UEFI_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = MnpDriverEntryPoint
+  UNLOAD_IMAGE                   = NetLibDefaultUnload
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 EBC
+#
+#  DRIVER_BINDING                =  gMnpDriverBinding
+#  COMPONENT_NAME                =  gMnpComponentName
+#  COMPONENT_NAME2               =  gMnpComponentName2
+#
+
+[Sources]
+  MnpMain.c
+  MnpIo.c
+  ComponentName.h
+  MnpDriver.h
+  ComponentName.c
+  MnpDriver.c
+  MnpConfig.c
+  MnpImpl.h
+  MnpVlan.h
+  MnpVlan.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+  BaseLib
+  BaseMemoryLib
+  MemoryAllocationLib
+  UefiLib
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+  DebugLib
+  NetLib
+  DpcLib
+
+[Protocols]
+  gEfiManagedNetworkServiceBindingProtocolGuid  ## BY_START
+  gEfiSimpleNetworkProtocolGuid                 ## TO_START
+  gEfiManagedNetworkProtocolGuid                ## BY_START
+  ## BY_START
+  ## UNDEFINED # variable
+  gEfiVlanConfigProtocolGuid
+
+[UserExtensions.TianoCore."ExtraFiles"]
+  MnpDxeExtra.uni