fix(ci): use external locations for caches, tmp and downloads

.gitea/workflows/ci.yml

@@ -14,13 +14,23 @@ jobs:
         uses: actions/checkout@v3
       - name: Update submodule
         run: git submodule update --init
-      - name: Building image and sdk
+      - name: Init env
         run: |
-          mkdir -p /build/conf
-          cp -v build/conf/*.conf  /build/conf/
-          ln -sf /build ci-build
-          cd poky && source oe-init-build-env ../ci-build
+          mkdir -p /build/cache
+          mkdir -p /build/downloads
+          mkdir -p /build/sstate-cache
+          mkdir -p /build/tmp
+          ln -sf /build/cache build/cache
+          ln -sf /build/downloads build/downloads
+          ln -sf /build/sstate-cache build/sstate-cache
+          ln -sf /build/tmp build/tmp
+      - name: build image for Orpi
+        run: |
+          cd poky && source oe-init-build-env ../build
           printenv
           cat conf/*.conf
           bitbake core-image-base
+      - name: build sdk for Orpi
+        run: |
+          cd poky && source oe-init-build-env ../build
           bitbake core-image-base -c populate_sdk