Release v1.7.0 on 2022-06-28.

1. 04bfb71 treewide: remove FSF address by Oliver Smith · 2 years, 6 months ago
2. 3da7938 Embedded: add sercomm stubs by Max · 6 years ago
3. a6a40dc Embedded: fix sercomm test by Max · 7 years ago
4. fe1ed398 sercomm_test: sanitize: fix msgb mem leak by Neels Hofmeyr · 7 years ago
5. fc1911c sercomm_test.c: return correctly in main by Pau Espin Pedrol · 7 years ago
6. a362ee9 add sercomm unit test by Harald Welte · 7 years ago