Sync libtpms.spec.in with Fedora repository

Sync the libtpms.spec.in with the content in the Fedora repository.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Joel Schopp <jschopp@linux.vnet.ibm.com>
Use boostrap.sh to build rpm on Fedora machines

Use bootstrap.sh before running configure when building an rpm.
Reorder the tools in bootstrap.sh to avoid error messages.

Rename configure.in to configure.ac to quite down more recent autotools.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Joel Schopp <jschopp@linux.vnet.ibm.com>