OvmfPkg: Copy the required CSM components from framework packages

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1811

This commit copies the exact:

Drivers:
* VideoDxe
* LegacyBiosDxe

Libraries:
* LegacyBootMaintUiLib
* LegacyBootManagerLib

Guid header files:
* Legacy Bios Guid
* LegacyDevOrder Guid

Protocol header files:
* Firmware Volume Protocol
* ISA ACPI Protocol
* ISA I/O Protocol
* Legacy BIOS Protocol
* Legacy BIOS Platform Protocol
* Legacy Interrupt Protocol
* VGA Mini Port Protocol

Framework header files (within IntelFrameworkPkg):
* FrameworkDxe.h
* Framework/BootScript.h
* Framework/DxeCis.h
* Framework/FirmwareVolumeHeader.h
* Framework/FirmwareVolumeImageFormat.h
* Framework/FrameworkInternalFormRepresentation.h
* Framework/Hob.h
* Framework/StatusCode.h

from IntelFramework[Module]Pkg to OvmfPkg/Csm/ folder.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Hao A Wu <hao.a.wu@intel.com>
Reviewed-by: David Woodhouse <dwmw2@infradead.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

OvmfPkg/Csm/BiosThunk/VideoDxe/VideoDxe.inf

@@ -0,0 +1,80 @@
+## @file
+# Video driver based on legacy bios.
+#
+# This driver by using Legacy Bios protocol service to support csm Video
+# and produce Graphics Output Protocol.
+#
+# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = BiosVideoDxe
+  MODULE_UNI_FILE                = BiosVideoDxe.uni
+  FILE_GUID                      = 0B04B2ED-861C-42cd-A22F-C3AAFACCB896
+  MODULE_TYPE                    = UEFI_DRIVER
+  VERSION_STRING                 = 1.0
+
+  ENTRY_POINT                    = BiosVideoEntryPoint
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 EBC
+#
+#  DRIVER_BINDING                =  gBiosVideoDriverBinding
+#  COMPONENT_NAME                =  gBiosVideoComponentName
+#
+
+[Sources]
+  BiosVideo.c
+  BiosVideo.h
+  ComponentName.c
+  VesaBiosExtensions.h
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  IntelFrameworkPkg/IntelFrameworkPkg.dec
+  IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
+
+
+[LibraryClasses]
+  MemoryAllocationLib
+  DevicePathLib
+  UefiLib
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+  BaseMemoryLib
+  ReportStatusCodeLib
+  DebugLib
+  PcdLib
+
+
+[Guids]
+  gEfiLegacyBiosGuid                            ## PRODUCES  ##GUID # Install Legacy BIOS GUID to mark this driver as a BIOS Thunk Driver
+  gEfiEventExitBootServicesGuid                 ## CONSUMES  ##Event
+
+[Protocols]
+  gEfiVgaMiniPortProtocolGuid                   ## BY_START
+  gEfiEdidDiscoveredProtocolGuid                ## BY_START
+  gEfiGraphicsOutputProtocolGuid                ## BY_START
+  gEfiEdidActiveProtocolGuid                    ## BY_START
+  gEfiLegacyBiosProtocolGuid                    ## CONSUMES
+  gEfiPciIoProtocolGuid                         ## TO_START
+  gEfiDevicePathProtocolGuid                    ## TO_START
+  gEfiDevicePathProtocolGuid                    ## BY_START
+  gEfiEdidOverrideProtocolGuid                  ## SOMETIMES_CONSUMES
+
+[Pcd]
+  gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoSetTextVgaModeEnable  ## CONSUMES
+  gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoCheckVbeEnable        ## CONSUMES
+  gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdBiosVideoCheckVgaEnable        ## SOMETIMES_CONSUMES
+  gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution                 ## SOMETIMES_CONSUMES
+  gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution                   ## SOMETIMES_CONSUMES
+
+[UserExtensions.TianoCore."ExtraFiles"]
+  BiosVideoDxeExtra.uni