[U-Boot] [U-Boot, v3, 09/10] rockchip: use puts instead of printf when back to bootrom

[Philipp Tomsich]

> printf will increase the code size more than 1kb, but platform
> like rk3036 has no enough space for it.
> 
> Signed-off-by: Andy Yan <andy.yan at rock-chips.com>
> ---
> 
> Changes in v3:
> - use puts instead of printf, which suggested by Simon
> 
> Changes in v2: None
> 
>  arch/arm/mach-rockchip/bootrom.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 

Acked-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>