Restore build.yml

Revert changes unrelated to the PR

.github/workflows/build.yml

@@ -1,13 +1,13 @@
-name: BuildSysex
+name: Build
 
 env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 on:
   push:
-    branches: [ SysExControl ]
+    branches: [ main ]
   pull_request:
-    branches: [ SysExControl ]
+    branches: [ main ]
 
 jobs:
   Build:
@@ -46,6 +46,18 @@ jobs:
            export PATH=$(readlink -f ./gcc-*aarch64-none*/bin/):$PATH
            RPI=3 bash -ex build.sh
            cp ./src/kernel*.img ./kernels/
+    - name: Build for Raspberry Pi 2
+      run: |
+           set -ex
+           export PATH=$(readlink -f ./gcc-*arm-none*/bin/):$PATH
+           RPI=2 bash -ex build.sh
+           cp ./src/kernel*.img ./kernels/
+    - name: Build for Raspberry Pi 1
+      run: |
+           set -ex
+           export PATH=$(readlink -f ./gcc-*arm-none*/bin/):$PATH
+           RPI=1 bash -ex build.sh
+           cp ./src/kernel*.img ./kernels/
     - name: Get Raspberry Pi boot files
       run: |
            set -ex
@@ -74,4 +86,3 @@ jobs:
            set -ex
            wget -c https://github.com/probonopd/uploadtool/raw/master/upload.sh
            bash ./upload.sh ./MiniDexed*.zip
-