Added 32-bit RPI pipeline

[skip ci]

azure-pipelines/azure-pipeline-rpi32.yml

@@ -0,0 +1,34 @@
+# Starter pipeline
+# Start with a minimal pipeline that you can customize to build and deploy your code.
+# Add steps that build, run tests, deploy, and more:
+# https://aka.ms/yaml
+
+trigger:
+- master
+
+pool: RPI-32
+
+jobs:
+- job: Build
+  strategy:
+    matrix:
+      RPI4-DMX:
+        platform: 'rpi4'
+      RPI4-SDL2:
+        platform: 'rpi4-sdl2'
+      RPI3-DMX:
+        platform: 'rpi3'
+      RPI3-SDL2:
+        platform: 'rpi3-sdl2'
+      RPI2-DMX:
+        platform: 'rpi2'
+      RPI2-SDL2:
+        platform: 'rpi2-sdl2'
+      RPI1-DMX:
+        platform: 'rpi1'
+      RPI1-SDL2:
+        platform: 'rpi1-sdl2'
+		
+  steps:
+  - script: make -j4 PLATFORM=$(platform)
+    displayName: 'Compile $(platform) target'