hw/tpm: Move few declarations from 'tpm_util.h' to 'tpm_int.h'

We are going to make "tpm_util.h" publicly accessible by
moving it to the include/ directory in a pair of commits.
Keep declarations internals to hw/tpm/ in "tpm_int.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-10-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>

hw/tpm/tpm_int.h

@@ -13,6 +13,7 @@
 #define TPM_TPM_INT_H
 
 #include "qemu/option.h"
+#include "sysemu/tpm.h"
 
 #define TPM_STANDARD_CMDLINE_OPTS \
     { \
@@ -74,4 +75,14 @@ struct tpm_resp_hdr {
 #define TPM_RC_FAILURE            0x101
 #define TPM_RC_LOCALITY           0x907
 
+int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version,
+                             size_t *buffersize);
+
+typedef struct TPMSizedBuffer {
+    uint32_t size;
+    uint8_t  *buffer;
+} TPMSizedBuffer;
+
+void tpm_sized_buffer_reset(TPMSizedBuffer *tsb);
+
 #endif /* TPM_TPM_INT_H */

hw/tpm/tpm_util.h

@@ -66,19 +66,9 @@ static inline void tpm_cmd_set_error(void *b, uint32_t error)
     stl_be_p(b + 6, error);
 }
 
-int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version,
-                             size_t *buffersize);
-
 #define DEFINE_PROP_TPMBE(_n, _s, _f)                     \
     DEFINE_PROP(_n, _s, _f, qdev_prop_tpm, TPMBackend *)
 
-typedef struct TPMSizedBuffer {
-    uint32_t size;
-    uint8_t  *buffer;
-} TPMSizedBuffer;
-
-void tpm_sized_buffer_reset(TPMSizedBuffer *tsb);
-
 void tpm_util_show_buffer(const unsigned char *buffer,
                           size_t buffer_size, const char *string);