FreeBSD does not have an in-kernel Resource Manager for TPM, the tools
must access the /dev/tpm0 device, either directly or through an
userland RM like tpm2-abrmd.
The default behavior of the original code is to try the in kernel RM
on /dev/tpmrm0 as first choice, this causes warnings and errors and
forces the user to override the behavior with options or environment
variables.
This patch removes the attempt to use /dev/tpmrm0 so that the programs
"just work" using the tpm0 device or through tpm2-abrmd.
PR: 286218
Approved by: maintainer
Pull Request: https://github.com/freebsd/freebsd-ports/pull/392
e61592617a