stefanberger / libtpms / 2125

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tpm2: Avoid compiler warning by using memcpy instead of MemoryCopy (gcc 10.3)

Fix the following compiler warning from gcc 10.3.0 by using memcpy
instead of MemoryCopy (fixes issue #229).

tpm2/NVDynamic.c: In function 'NvRamGetEnd':
tpm2/NVDynamic.c:378:12: warning: function may return address of local variable [-Wreturn-local-addr]
  378 |     return iter;
      |            ^
tpm2/NVDynamic.c:339:26: note: declared here
  339 |     NV_RAM_HEADER        header;
      |                          ^
tpm2/NVDynamic.c: In function 'NvRamGetIndex':
tpm2/NVDynamic.c:411:12: warning: function may return address of local variable [-Wreturn-local-addr]
  411 |     return currentAddr;
      |            ^
tpm2/NVDynamic.c:339:26: note: declared here
  339 |     NV_RAM_HEADER        header;
      |                          ^

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

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