FAPI: Fix handle usage in Fapi_ChangeAuth
FAPI: Fix handle usage in Fapi_ChangeAuth

* The wrong handle was used for changing the NV auth value.
* A wrong flush for a persistent handle was called.
* Not all handles to be flushed were initialized correctly.
* For NV_Change auth it will be checked whether the object has a policy.

Signed-off-by: Juergen Repp <03d74050f14a4f4ffcef98e77db067d01b35ed27@sit.fraunhofer.de>

01org/TPM2.0-TSS,01org/TPM2.0-TSS,tpm2-software/tpm2-tss,01org/tpm2-tss,01org/tpm2-tss,01org/TPM2.0-TSS,01org/tpm2-tss,tpm2-software/tpm2-tss,tpm2-software/tpm2-tss,01org/TPM2.0-TSS