Add zap tooling to Docker container (#84)

Gecko SDK 4.4.4 (#80)

* Bump Dockerfile

* Drop old Gecko SDK

* Upgrade `ncp-uart-hw`

* Upgrade `bootloader-uart-xmodem`

* Upgrade `firmware-eraser`

* Upgrade `ot-rcp`

* Upgrade `rcp-uart-802154`

* Upgrade `zwave_ncp_serial_api_controller`

Gecko SDK 4.4.3 (#78)

* Bump Dockerfile URL to 4.4.3

* Upgrade ot-rcp

* Upgrade bootloader-uart-xmodem

* Upgrade firmware eraser

* Use correct path to postbuild script

* Upgrade ncp-uart-hw

* Update rcp-uart-802154 as well

* Upgrade zwave_ncp_serial_api_controller

Increase broadcast and unicast table sizes (#71)

Set default OpenThread TX power to 6dBm (#65)

Disable ZGP on multi-PAN (#45)

Merge pull request #34 from agners/bump-to-gecko-sdk-4.3.2

Bump Gecko SDK to 4.3.2

Merge pull request #29 from puddly/puddly/slc-pwd-fix

Use absolute paths for `slc generate` to work around SLC bug

Merge pull request #18 from NabuCasa/bump-to-gecko-sdk-4.3.0

Bump to SDK version 4.3.0

Revert "Generalise container repository"

This reverts commit b2b7279.