* configure.ac (build_tpmd): New configure option --disable-tpm2d
(BUILD_WITH_TPM2D): New.
* Makefile.am (tests): Use conditionally BUILD_TPM2D instead of
HAVE_LIBTSS.
* build-aux/speedo.mk (speedo_pkg_gnupg_configure) [W32]: Do not build
tpm2d.
* autogen.rc: Ditto.