[hpsdr] Hermes bootloader code for firmware updating

[Bruce Beford]

Do we know definitively that all the TAPR Hermes were shipped with the
bootloader code? Is it only the Apache labs boards that are affected?

-Bruce, N1RX

> He might need a blaster cable.  It depends upon whether the initial 
> firmware in his Hermes board contains the bootloader code or not.  >
Unfortunately, some Apache-Labs boards were shipped without such code in the
> EEPROM, I understand.