1.6.7 Fix NRF long timeouts (64bit) and update ESP-IDF define

What's Changed

• Update WatchdogNRF.cpp use 64 bit math in reload value calc by @jamcinnes2 in #52
• Add fallback for missing soc_caps.h on FunHouse by @tyeth in #58

New Contributors

• @jamcinnes2 made their first contribution in #52
• @tyeth made their first contribution in #58

Full Changelog: 1.6.6...1.6.7