dev-libs/libtpms: Add libtpms

This library allows the TPM1.2 simulation for testing purpose.

https://crrev.com/c/3177902 depends on this CL.

Source:
https://gitweb.gentoo.org/repo/gentoo.git/tree/dev-libs/libtpms/

BUG=b:202096123
TEST=Build OK.

Change-Id: I5a97f85f6fec1676826db415eebff653fc011ed0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3222408
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
Commit-Queue: Yi Chou <yich@google.com>
Tested-by: Yi Chou <yich@google.com>
4 files changed