tools/tpm2_policyauthvalue: add support for calculating cpHash

[ccihula]

[codecov[bot]]

Codecov Report

Merging #3086 (388e25b) into master (0a09ffc) will increase coverage by 0.00%. The diff coverage is 80.85%.

@@           Coverage Diff           @@
##           master    #3086   +/-   ##
=======================================
  Coverage   76.41%   76.41%           
=======================================
  Files         172      172           
  Lines       22668    22712   +44     
=======================================
+ Hits        17321    17356   +35     
- Misses       5347     5356    +9     

Impacted Files	Coverage Δ
lib/tpm2_policy.c	80.18% <ø> (ø)
lib/tpm2.c	73.54% <72.41%> (-0.04%)	:arrow_down:
tools/tpm2_policyauthvalue.c	86.66% <94.44%> (+2.94%)	:arrow_up:

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[idesai]

Closed with #3133