pmb.aportgen.linux: use downstreakernel_package helper (!1880)

pmb/aportgen/linux.py

@@ -13,23 +13,7 @@ def generate_apkbuild(args, pkgname, deviceinfo, patches):
     makedepends = "perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev"
 
     package = """
-            # kernel.release
-            install -D "$builddir/include/config/kernel.release" \\
-                "$pkgdir/usr/share/kernel/$_flavor/kernel.release"
-
-            # zImage (find the right one)
-            cd "$builddir/arch/$_carch/boot"
-            _target="$pkgdir/boot/vmlinuz-$_flavor"
-            for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
-                [ -e "$_zimg" ] || continue
-                msg "zImage found: $_zimg"
-                install -Dm644 "$_zimg" "$_target"
-                break
-            done
-            if ! [ -e "$_target" ]; then
-                error "Could not find zImage in $PWD!"
-                return 1
-            fi"""
+            downstreamkernel_package "$builddir" "$pkgdir" "$_carch" "$_flavor\""""
 
     build = """
             unset LDFLAGS