tpm2_unseal: update flags for object loading
tpm2_unseal: update flags for object loading

The object loading can only handle transient and persistent
objects, not NV and hierarchies. Update the handle flags
to reflect this.

Signed-off-by: William Roberts <60148e894dabf0b83bde1d460768794cd453c455@intel.com>

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