[CHERRY-PICK] MdePkg/IndustryStandard: Adds SPMI macros

Adds macro which defines SPMI table revision
and interface type as per the specification.

Cc: Michael D Kinney <[email protected]>
Cc: Liming Gao <[email protected]>
Cc: Zhiguang Liu <[email protected]>
Cc: Sami Mujawar <[email protected]>
Cc: Pierre Gondois <[email protected]>
Signed-off-by: Abdul Lateef Attar <[email protected]>
(cherry picked from commit 0958b76)

MdePkg/Include/IndustryStandard/ServiceProcessorManagementInterfaceTable.h

@@ -3,6 +3,8 @@
   Intelligent Platform Management Interface Specification Second Generation.
 
   Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
+
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
   @par Revision Reference:
@@ -95,4 +97,17 @@ typedef struct {
 
 #pragma pack()
 
+///
+/// SPMI Revision (defined in spec)
+///
+#define EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_5_TABLE_REVISION  0x05
+
+///
+/// SPMI Interface Type
+///
+#define EFI_ACPI_SPMI_INTERFACE_TYPE_KCS   0x01
+#define EFI_ACPI_SPMI_INTERFACE_TYPE_SMIC  0x02
+#define EFI_ACPI_SPMI_INTERFACE_TYPE_BT    0x03
+#define EFI_ACPI_SPMI_INTERFACE_TYPE_SSIF  0x04
+
 #endif