finish removing usb_port.h macros. Use device_foo_t to declare functions a little de-k&r
finish removing usb_port.h macros.
Use device_foo_t to declare functions
a little de-k&r

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