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

va108xx/automation/Jenkinsfile

@@ -0,0 +1,39 @@
+pipeline {
+    agent any
+
+    stages {
+        stage('Clippy') {
+            agent {
+                dockerfile {
+                    dir 'automation'
+                    reuseNode true
+                }
+            }
+            steps {
+                sh 'cargo clippy'
+            }
+        }
+        stage('Rustfmt') {
+            agent {
+                dockerfile {
+                    dir 'automation'
+                    reuseNode true
+                }
+            }
+            steps {
+                sh 'cargo fmt'
+            }
+        }
+        stage('Check') {
+            agent {
+                dockerfile {
+                    dir 'automation'
+                    reuseNode true
+                }
+            }
+            steps {
+                sh 'cargo check --target thumbv6m-none-eabi'
+            }
+        }
+    }
+}