The explanation is simple: reset from any state but P_ON throws us
back into TRX_OFF, not P_ON. That's why the P_ON test only worked
predictably after power-cycling the board.
- prod/atusb (gpio_usb): removed P_ON test
- prod/atben (gpio_ben): added comment to P_ON test explaining why
it works in this case
- prod/Common (begin), prod/atben: added clock reference file argument
- prod/atben (xtal_ben): use atrf-xtal options -b and -p to determine
whether the clock frequency is correct
- prod/Common: added section titles
- prod/Common (begin): new command to set up and check the test environment
- prof/atben: call "begin" to set up the test environment
- prod/Common (spectrum): added the profile
- prod/Makefile: convenience commands, for development
- prod/atben: run "identify" after checking the GPIOs
- prod/atusb: test script for ATUSB
