Support for Raspberry PI RP2040 MCU (#18083)

.vscode/cmake-variants.yaml

@@ -221,3 +221,8 @@ CONFIG:
       buildType: MinSizeRel
       settings:
         CONFIG: nxp_fmuk66-v3_default
+    raspberrypi_pico_default:
+      short: raspberrypi_pico
+      buildType: MinSizeRel
+      settings:
+        CONFIG: raspberrypi_pico_default

.vscode/settings.json

@@ -136,5 +136,6 @@
         "workbench.settings.enableNaturalLanguageSearch": false,
         "yaml.schemas": {
                 "${workspaceFolder}/validation/module_schema.yaml": "${workspaceFolder}/src/modules/*/module.yaml"
-        }
+        },
+        "cortex-debug.openocdPath": "${env:PICO_SDK_PATH}/../openocd/src/openocd"       // Added for rp2040
 }