man: fix man page inconsistency with tpm2_unseal.c
man: fix man page inconsistency with tpm2_unseal.c

With 721e33527, the options -L and -F were removed from tpm2_unseal.
However, the corresponding man page was left unchanched which lead to
inconsistent options.

Signed-off-by: joholl <45a711f7113e27c7d3924435698a26248acdf0b5@infineon.com>

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