Removed aarch64 ci and added llvm/libclang installation for windows

.github/workflows/build.yml

@@ -13,6 +13,10 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: 'true'
+      - name: install libclang
+        uses: crazy-max/ghaction-chocolatey@v1
+        with:
+          args: install llvm
       - name: build
         run: cargo build --workspace --verbose
       - name: run tests
@@ -51,24 +55,6 @@ jobs:
       - name: build examples
         run: cargo build --workspace --examples --verbose
 
-  build-ubuntu-aarch64:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          submodules: 'true'
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          target: aarch64-unknown-linux-gnu
-          override: true
-      - run: sudo apt-get install libusb-1.0-0-dev  
-      - uses: actions-rs/cargo@v1
-        with:
-          use-cross: true
-          command: build
-          args: --target aarch64-unknown-linux-gnu --workspace --verbose
-
   lint:
     runs-on: ubuntu-latest
     steps:
@@ -89,6 +75,8 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: 'true'
+      - name: install libusb-1.0
+        run: sudo apt-get install libusb-1.0-0-dev
       - name: setup rust nightly
         uses: actions-rs/toolchain@v1
         with: