fs/tar: make --no-recursion effective

The tar --no-recursion option is position sensitive. It only affects following
file listing options. Move --no-recursion before the -T option to make it
effective. This fixes duplication of entries in the generated rootfs.tar
archive.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>