ci: use native arm runner for aarch64 build

Signed-off-by: Sergio Lopez <slp@redhat.com>

Author: slp

.github/workflows/cross-build-aarch64.yml .github/workflows/build-aarch64.yml.github/workflows/cross-build-aarch64.yml renamed to .github/workflows/build-aarch64.yml

@@ -1,17 +1,17 @@
-name: Cross-build aarch64 kernel
+name: Build aarch64 kernel
 on: [pull_request, create]
 
 jobs:
   build:
     if: github.event_name == 'pull_request'
-    name: Cross-build aarch64 kernel
-    runs-on: ubuntu-latest
+    name: Build aarch64 kernel
+    runs-on: ubuntu-24.04-arm
     steps:
       - name: Code checkout
         uses: actions/checkout@v2
 
       - name: Install dependencies
-        run: sudo apt-get update && sudo apt-get install -y make gcc bc bison flex elfutils python3-pyelftools curl patch libelf-dev gcc-aarch64-linux-gnu
+        run: sudo apt-get update && sudo apt-get install -y make gcc bc bison flex elfutils python3-pyelftools curl patch libelf-dev
 
       - name: Build aarch64 kernel
-        run: make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-
+        run: make