New boards with layouts for dual partition setups (#387)

* upgradable boards

* updates the install manual for proper SSL config

* storage locations from build script

* deploy script improvements

* UTC time

patches/tock/03-additional-boards.patch

@@ -2,11 +2,13 @@ diff --git a/Cargo.toml b/Cargo.toml
 index 06acc26d2..e5db0740b 100644
 --- a/Cargo.toml
 +++ b/Cargo.toml
-@@ -20,7 +20,11 @@ members = [
+@@ -20,7 +20,13 @@ members = [
      "boards/msp_exp432p401r",
      "boards/microbit_v2",
      "boards/nordic/nrf52840dk",
 +    "boards/nordic/nrf52840dk_opensk",
++    "boards/nordic/nrf52840dk_opensk_a",
++    "boards/nordic/nrf52840dk_opensk_b",
      "boards/nordic/nrf52840_dongle",
 +    "boards/nordic/nrf52840_dongle_opensk",
 +    "boards/nordic/nrf52840_dongle_dfu",