add "provision_onboard" and "test" functions to eccProg.py

[shawaj]

The gateway_mfr tool from helium provides 4 methods:

      "  test - Validates that the attached ECC is working and locked correctly.\n"
      "  provision - Configures and locks the ECC key slots and miner key.\n"
      "  provision_onboard - Configures the onboarding key for an ECC that failed \n"
      "                      previous onboarding key generation.\n"
      "  onboarding - Prints the miner key of a provisioned ECC.\n"

Currently we only use the providion and onboarding methods in eccProg.py

We should test the provision_onboard and test functions and see if they provide any useful output for improving the programming tool

[shawaj]

Has this been dealt with using the rust version in hm-diag? @vpetersson @marvinmarnold

[vpetersson]

Yep we do provision first, followed by test.