ci: Bump mistral version

Signed-off-by: gatecat <gatecat@ds0.me>

.github/ci/build_mistral.sh

@@ -19,6 +19,6 @@ function build_nextpnr {
 
 function run_archcheck {
     pushd build
-    ./nextpnr-mistral --mistral ${MISTRAL_PATH} --device 5CEBA2F17A7 --test
+    ./nextpnr-mistral --device 5CEBA2F17A7 --test
     popd
 }

.github/workflows/mistral_ci.yml

@@ -18,15 +18,11 @@ jobs:
         sudo apt-get update
         sudo apt-get install git make cmake libboost-all-dev python3-dev libeigen3-dev tcl-dev lzma-dev clang bison flex swig
 
-    - name: ccache
-      uses: hendrikmuhs/ccache-action@v1
-
     - name: Execute build nextpnr
       env:
         MISTRAL_PATH: ${{ github.workspace }}/deps/mistral
-        MISTRAL_REVISION: 7d4e6d2cca1ec05de3be0c9fef6acaed8089d329
+        MISTRAL_REVISION: f22b32366d5fed997130712002c8f8de40eb42fc
       run: |
-        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
         source ./.github/ci/build_mistral.sh
         get_dependencies
         build_nextpnr