tpm2_nvdefine.c: Fixed error reporting message
tpm2_nvdefine.c: Fixed error reporting message

Fixes #1861

NV define failure error message had the wording to suggest NV index
was successfully defined.

Signed-off-by: Imran Desai <d01faadd01d89088a38277c634ffb396f2b368f8@intel.com>

01org/tpm2.0-tools,01org/tpm2.0-tools,01org/tpm2.0-tools