Build: Bump the default disk image size from 500MB to 600MB

This gives us a little more leeway for installing ports, etc.

Kernel/build-image-grub.sh

@@ -22,7 +22,7 @@ fi
 echo "using grub-install at ${grub}"
 
 echo "setting up disk image..."
-dd if=/dev/zero of=_disk_image bs=1M count="${DISK_SIZE:-500}" status=none || die "couldn't create disk image"
+dd if=/dev/zero of=_disk_image bs=1M count="${DISK_SIZE:-600}" status=none || die "couldn't create disk image"
 chown 1000:1000 _disk_image || die "couldn't adjust permissions on disk image"
 echo "done"
 

Kernel/build-image-qemu.sh

@@ -12,7 +12,7 @@ if [ "$(id -u)" != 0 ]; then
 fi
 
 echo "setting up disk image..."
-qemu-img create _disk_image "${DISK_SIZE:-500}"m || die "couldn't create disk image"
+qemu-img create _disk_image "${DISK_SIZE:-600}"m || die "couldn't create disk image"
 chown "$build_user":"$build_group" _disk_image || die "couldn't adjust permissions on disk image"
 echo "done"