USB is disabled in RELENG_7 PAE; don't try to build USB related devices.
USB is disabled in RELENG_7 PAE; don't try to build USB
related devices.

PR:     kern/123619

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase