tpm2: enable sha512 (breaks compatiblity)

Enable SHA512. Since the TPM 2 expects to see PCR values for
the SHA512 bank in some of its structures, this breaks
compatibility with existing state files.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>

src/tpm2/Implementation.h

@@ -117,7 +117,7 @@
 #define  ALG_KEYEDHASH         ALG_YES
 #define  ALG_SHA256            ALG_YES
 #define  ALG_SHA384            ALG_YES
-#define  ALG_SHA512            ALG_NO
+#define  ALG_SHA512            ALG_YES
 #define  ALG_SM3_256           ALG_NO
 #define  ALG_SM4               ALG_NO
 #define  ALG_RSASSA            (ALG_YES*ALG_RSA)