nordic: west flash no longer supports changing `CONFIG_GPIO_PINRESET` when flashing

[pabigot]

6628a16 changed the behavior of west flash, which formerly used --eraseall which clears both flash and UICR. CONFIG_GPIO_PINRESET=n is intended to support not programming NRF_UICR->PSELRESET to co-opt the reset pin for the reset function, instead leaving it available for the application to use as a button.

It appears that the west change prevents these registers in UICR from being cleared, so that flashing a new image that changes the intended PSELRESET value has no effect.

The workaround is bypass west and use nrfjprog --eraseall, but there probably should be some way to do it in west.

[mbolivar-nordic]

there probably should be some way to do it in west.

There is, for the nrfjprog runner, which supports west flash --erase. Please reopen if I'm missing something and that's not what you mean.