man/tpm2_policypassword: update for manpage audit
man/tpm2_policypassword: update for manpage audit

Update the examples and text as part of the manpage audit.

Progresses: #1042

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

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