Apply aarch64 modifications to armv7h image too

Dockerfile.armv7h

@@ -5,9 +5,10 @@ WORKDIR /archlinux
 RUN mkdir -p /archlinux/rootfs
 
 COPY pacstrap-docker /archlinux/
+COPY rootfs/etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist
 
 RUN ./pacstrap-docker /archlinux/rootfs \
-	bash sed gzip pacman
+	bash sed gzip pacman base base-devel
 
 # Remove current pacman database, likely outdated very soon
 RUN rm rootfs/var/lib/pacman/sync/*