New VA108xx Rust workspace structure + dependency updates

- The workspace is now a monorepo without submodules. The HAL, PAC and BSP
  are integrated directly
- Update all dependencies: embedded-hal v1 and RTIC v2

automation/Dockerfile

@@ -0,0 +1,13 @@
+# Run the following commands from root directory to build and run locally
+# docker build -f automation/Dockerfile -t <NAME> .
+# docker run -it <NAME>
+FROM rust:latest
+RUN apt-get update
+RUN apt-get --yes upgrade
+# tzdata is a dependency, won't install otherwise
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN rustup install nightly && \
+	rustup target add thumbv6m-none-eabi && \
+	rustup +nightly target add thumbv6m-none-eabi && \
+	rustup component add rustfmt clippy

automation/Jenkinsfile

@@ -0,0 +1,41 @@
+pipeline {
+    agent {
+        dockerfile {
+            dir 'automation'
+            reuseNode true
+        }
+    }
+
+    stages {
+        stage('Rust Toolchain Info') {
+          steps {
+            sh 'rustc --version'
+          }
+        }
+        stage('Clippy') {
+            steps {
+                sh 'cargo clippy'
+            }
+        }
+        stage('Rustfmt') {
+            steps {
+                sh 'cargo fmt'
+            }
+        }
+        stage('Docs') {
+            steps {
+                sh: cargo +nightly doc --all-features --config 'build.rustdocflags=["--cfg", "docs_rs"]'
+            }
+        }
+        stage('Check') {
+            steps {
+                sh 'cargo check --target thumbv6m-none-eabi'
+            }
+        }
+        stage('Check Examples') {
+            steps {
+                sh 'cargo check --target thumbv6m-none-eabi --examples'
+            }
+        }
+    }
+}