tpm2_pcrlist: print usage if conflicting options are passed
tpm2_pcrlist: print usage if conflicting options are passed

The tool takes only one of -g/--halg, -L/--sel-list or -s/--algs, print the
usage information if conflicting options are passed.

Signed-off-by: Joshua Lock <9750fc34162235efa862f2505c1a01f735e97af7@intel.com>

martinezjavier/tpm2-tools,01org/tpm2.0-tools,martinezjavier/tpm2-tools,01org/tpm2.0-tools,martinezjavier/tpm2-tools,01org/tpm2.0-tools,martinezjavier/tpm2-tools