Add UEFI definitions for literals, enums, structs, GUIDs, etc... that will be used by TDX to build the UEFI Hand-Off Block (HOB) that is passed to the Trusted Domain Virtual Firmware (TDVF). All values come from the UEFI specification and TDVF design guide. [1] Note, EFI_RESOURCE_MEMORY_UNACCEPTED will be added in future UEFI spec. [1] https://software.intel.com/content/dam/develop/external/us/en/documents/tdx-virtual-firmware-design-guide-rev-1.pdf Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>