[U-Boot] [U-Boot, RESENT] rockchip: make_fit_atf: fix warning unit_address_vs_reg

[Philipp Tomsich]

> Patch fix warning:
> /builddir/BUILD/u-boot-2018.05-rc2/"arch/arm/mach-rockchip/make_fit_atf.py" \
> arch/arm/dts/rk3399-firefly.dtb > u-boot.its
>   ./tools/mkimage  -f u-boot.its -E u-boot.itb >/dev/null  && cat
> /dev/null
> u-boot.itb.tmp: Warning (unit_address_vs_reg): Node /images/uboot at 1
> has a unit name, but no reg property
> u-boot.itb.tmp: Warning (unit_address_vs_reg): Node /images/atf at 1 has
> a unit name, but no reg property
> u-boot.itb.tmp: Warning (unit_address_vs_reg): Node /images/atf at 2 has
> a unit name, but no reg property
> u-boot.itb.tmp: Warning (unit_address_vs_reg): Node /images/atf at 3 has
> a unit name, but no reg property
> u-boot.itb.tmp: Warning (unit_address_vs_reg): Node /images/fdt at 1 has
> a unit name, but no reg property
> u-boot.itb.tmp: Warning (unit_address_vs_reg): Node
> /configurations/config at 1 has a unit name, but no reg property
> make[1]: Leaving directory
> '/builddir/BUILD/u-boot-2018.05-rc2/builds/firefly-rk3399'
> 
> Reported-by: Peter Robinson <pbrobinson at gmail.com>
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> Tested-by: Peter Robinson <pbrobinson at gmail.com>
> Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> Acked-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> ---
> 
>  arch/arm/mach-rockchip/make_fit_atf.py | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 

Applied to u-boot-rockchip, thanks!