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

boards/nordic/nrf52840dk_opensk_a/build.rs

@@ -0,0 +1,45 @@
+use std::env;
+use std::fs;
+use std::path::Path;
+
+fn main() {
+    println!("cargo:rerun-if-changed=layout.ld");
+    println!("cargo:rerun-if-changed=../../kernel_layout.ld");
+
+    let out_dir = env::var_os("OUT_DIR").unwrap();
+    let dest_path = Path::new(&out_dir).join("locations.rs");
+    fs::write(
+        &dest_path,
+        "
+static mut STORAGE_LOCATIONS: [kernel::StorageLocation; 5] = [
+    // We implement NUM_PAGES = 20 as 16 + 4 to satisfy the MPU.
+    kernel::StorageLocation {
+        address: 0xC0000,
+        size: 0x10000, // 16 pages
+        storage_type: kernel::StorageType::STORE,
+    },
+    kernel::StorageLocation {
+        address: 0xD0000,
+        size: 0x4000, // 4 pages
+        storage_type: kernel::StorageType::STORE,
+    },
+    // Partitions can also be split to maximize MPU happiness.
+    kernel::StorageLocation {
+        address: 0x60000,
+        size: 0x20000,
+        storage_type: kernel::StorageType::PARTITION,
+    },
+    kernel::StorageLocation {
+        address: 0x80000,
+        size: 0x20000,
+        storage_type: kernel::StorageType::PARTITION,
+    },
+    kernel::StorageLocation {
+        address: 0x5000,
+        size: 0x1000,
+        storage_type: kernel::StorageType::METADATA,
+    },
+];
+"
+    ).unwrap();
+}