MdePkg/Include: Definitions of IPMI Get System Interface Capabilities

Define the structure for IPMI Get System Interface
Capabilities command (0x57)

Signed-off-by: Abner Chang <abner.chang@amd.com>
Cc: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Reviewed-by: Nickle Wang <nicklew@nvidia.com>

MdePkg/Include/IndustryStandard/IpmiNetFnApp.h

@@ -1092,6 +1092,14 @@ typedef struct {
   UINT8                                          InputMaxMsgSize;
 } IPMI_GET_SYSTEM_INTERFACE_KCS_SMIC_CAPABILITIES_RESPONSE;
 
+//
+// Response of interface capability of SSIF/KCS/SMIC.
+//
+typedef union {
+  IPMI_GET_SYSTEM_INTERFACE_SSIF_CAPABILITIES_RESPONSE        *InterfaceSsifCapability;
+  IPMI_GET_SYSTEM_INTERFACE_KCS_SMIC_CAPABILITIES_RESPONSE    *InterfaceKcsSmicCapability;
+} IPMI_GET_SYSTEM_INTERFACE_CAPABILITIES_RESPONSE;
+
 //
 //  Definitions for Get System Interface Capabilities command SSIF transaction support
 //