Initial support for rockchip boards (#8382)

* initial support for rockchip boards

* Apply suggestions from code review

apply requested changes

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* requested changes

* rewrite dockerfile

* adjust targets

* Update .github/workflows/ci.yml

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* Update docs/docs/configuration/object_detectors.md

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* Update docs/docs/configuration/object_detectors.md

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* add information to docs

* Update docs/docs/configuration/object_detectors.md

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* format rknn.py

* apply changes from isort and ruff

---------

Co-authored-by: MarcA711 <>
Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

.github/workflows/ci.yml

@@ -79,6 +79,16 @@ jobs:
             rpi.tags=${{ steps.setup.outputs.image-name }}-rpi
             *.cache-from=type=registry,ref=${{ steps.setup.outputs.cache-name }}-arm64
             *.cache-to=type=registry,ref=${{ steps.setup.outputs.cache-name }}-arm64,mode=max
+      - name: Build and push RockChip build
+        uses: docker/bake-action@v3
+        with:
+          push: true
+          platforms: linux/arm64
+          targets: rk
+          files: docker/rockchip/rk.hcl
+          set: |
+            rk.tags=ghcr.io/${{ steps.lowercaseRepo.outputs.lowercase }}:${{ github.ref_name }}-${{ env.SHORT_SHA }}-rk
+            *.cache-from=type=gha
   jetson_jp4_build:
     runs-on: ubuntu-latest
     name: Jetson Jetpack 4