Indicates which ACPI versions are targeted by the ACPI tables exposed to the OS
These values are aligned with the definitions in MdePkg/Include/Protocol/AcpiSystemDescriptionTable.h
BIT 1 - EFI_ACPI_TABLE_VERSION_1_0B.

BIT 2 - EFI_ACPI_TABLE_VERSION_2_0.

BIT 3 - EFI_ACPI_TABLE_VERSION_3_0.

BIT 4 - EFI_ACPI_TABLE_VERSION_4_0.

BIT 5 - EFI_ACPI_TABLE_VERSION_5_0.

Exposed ACPI table versions.

PCD Information

Name	Token Space	Token number	Data Type	Default Value
PcdAcpiExposedTableVersions	gEfiMdeModulePkgTokenSpaceGuid	0x0001004c	UINT32	0x3E