CODAL sleep power consumption due to display GPIOTE

[microbit-carlos]

Second part for:

• https://github.com/lancaster-university/codal-microbit-v2/issues/30

A quick workaround was applied in:

• https://github.com/lancaster-university/codal-microbit-v2/pull/366

However, this introduced an issue where the display pins were not usable even if the display was disabled:

• https://github.com/microsoft/pxt-microbit/issues/5371
• https://github.com/lancaster-university/codal-microbit-v2/issues/390

So as part of ticket https://github.com/lancaster-university/codal-microbit-v2/issues/390, CODAL tag v0.2.63 will be release reverting this workaround, to be able to fix this regression in MakeCode.

This ticket is to investigate an alternative way to reduce the power consumption identified in https://github.com/lancaster-university/codal-microbit-v2/issues/30.

This other issue might be related:

• https://github.com/lancaster-university/codal-microbit-v2/issues/378