/usr/ is in libtss2-dev 0.98+20160226.d4f23cc-0ubuntu2.
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..
/usr/share/
/usr/share/doc/
/usr/share/doc/libtss2-dev/
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/include/
/usr/include/tcti/
/usr/include/tcti/tcti_socket.h
/usr/include/tcti/tcti_device.h
/usr/include/tcti/magic.h
/usr/include/tss2/
/usr/include/tss2/tss2_tpm2_types.h
/usr/include/tss2/tss2_common.h
/usr/include/tss2/tss2_sys.h
/usr/include/tss2/sys_api_part3.h
/usr/include/tss2/tss2_tcti.h
/usr/include/tss2/tpm20.h
/usr/include/tss2/implementation.h
/usr/include/tss2/tpmb.h
/usr/share/doc/libtss2-dev/copyright
/usr/lib/x86_64-linux-gnu/libtctidevice.so
/usr/lib/x86_64-linux-gnu/libtctisocket.so
/usr/lib/x86_64-linux-gnu/libtss2.so
/usr/share/doc/libtss2-dev/changelog.Debian.gz