Resolve GCC build error, where #pragma pack(push[, id], <n>) is not supported.

signed off by: jiewen.yao@intel.com


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14691 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Include/IndustryStandard/Tpm20.h

@@ -22,7 +22,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 #include <IndustryStandard/Tpm12.h>
 
-#pragma pack (push, 1)
+#pragma pack (1)
 
 // Annex A Algorithm Constants
 
@@ -1804,6 +1804,6 @@ typedef struct {
   TPM_RC responseCode;
 } TPM2_RESPONSE_HEADER;
 
-#pragma pack (pop)
+#pragma pack ()
 
 #endif