archlinux: do not open-code boot configs install target

Reuse makefile that is there already. This has a side effect of
installing dracut config too.

Author: marmarek

archlinux/PKGBUILD.in

@@ -90,8 +90,8 @@ package_qubes-vm-core() {
 
     cd "${_pkgnvr}"
 
-    install -D -m 0644 -- "boot/grub.qubes" "${pkgdir}/etc/default/grub.qubes"
     # shellcheck disable=SC2154
+    make -C boot DESTDIR="$pkgdir" install
     make install-corevm DESTDIR="$pkgdir" SBINDIR=/usr/bin LIBDIR=/usr/lib SYSLIBDIR=/usr/lib SYSTEM_DROPIN_DIR=/usr/lib/systemd/system USER_DROPIN_DIR=/usr/lib/systemd/user DIST=archlinux
     make -C app-menu install DESTDIR="$pkgdir" install LIBDIR=/usr/lib SYSLIBDIR=/usr/lib
     make -C misc install DESTDIR="$pkgdir" install LIBDIR=/usr/lib SYSLIBDIR=/usr/lib