actions: consolidate yamlint

Lets not trust that everyone remembers to lint themselves or that they
fetch the repo in order to execute their job.

Also rename workflow file to be a bit more generic

Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>

.github/workflows/codestyle.yml

@@ -9,7 +9,7 @@
 # github.com also has a powerful web editor that can be used without
 # committing.
 
-name: checkpatch
+name: codestyle
 
 # yamllint disable-line rule:truthy
 on: [pull_request]
@@ -31,9 +31,6 @@ jobs:
       - uses: actions/checkout@v2
         with: {fetch-depth: 2}
 
-      - name: yamllint ourselves
-        run: yamllint .github/workflows/shallow_checkpatch.yml
-
       - name: install codespell
         run: sudo apt-get -y install codespell && dpkg -L codespell | grep dict
 
@@ -51,3 +48,10 @@ jobs:
       - name: checkpatch --strict
         run: .github/workflows/checkpatch_list.sh ${CHK_CMD_OPTS}
                  --strict < PR_SHAs.txt
+  yamllint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: run yamllint
+        run: yamllint --strict .github/workflows/*.yml

.github/workflows/installer.yml

@@ -23,9 +23,6 @@ jobs:
         # From time to time this will catch a git tag and change SOF_VERSION
         with: {fetch-depth: 50, submodules: recursive}
 
-      - name: yamllint ourselves
-        run: yamllint .github/workflows/installer.yml
-
       - name: docker
         run: docker pull thesofproject/sof && docker tag thesofproject/sof sof
 

.github/workflows/pull-request.yml

@@ -139,16 +139,3 @@ jobs:
           PLATFORM: ${{ matrix.platform }}
         run: ./scripts/docker-qemu.sh
           ../sof.git/scripts/qemu-check.sh ${PLATFORM}
-
-  yamllint-gh:
-    name: yamllint /.github/workflows/
-    runs-on: ubuntu-20.04
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: apt install yamllint
-        run: sudo apt-get -y install yamllint
-
-      - name: yamllint github actions
-        run: yamllint .github/workflows/pull-request.yml

.github/workflows/zephyr.yml

@@ -15,9 +15,6 @@ jobs:
         # From time to time this will catch a git tag and change SOF_VERSION
         with: {fetch-depth: 10, submodules: recursive}
 
-      - name: yamllint ourselves
-        run: yamllint .github/workflows/zephyr.yml
-
       - name: build
         run: docker run -v "$(pwd)":/workdir
              docker.io/zephyrprojectrtos/zephyr-build:v0.17.3