HSD #14013247745-2: crypto: intel_fcs: extend to support single certificate

commit  d16c450ac9b1c04ea729cb80c47e2b94985ae811 from
https://github.com/altera-opensource/linux-socfpga.git

Extend Intel FPGA crypto service driver to support a single certificate to
allow unauthenticated updates to the PTS counter.

PTS = Pseudo Time Stamp

Signed-off-by: Richard Gong <richard.gong@intel.com>
Signed-off-by: Meng Li <Meng.Li@windriver.com>