[U-Boot] [U-Boot,v2,32/42] Kconfig: Drop CONFIG_CMD_TFTP

[Philipp Tomsich]

> This is not a valid CONFIG option. Drop it.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> ---
> 
> Changes in v2: None
> 
>  include/configs/dragonboard410c.h | 1 -
>  scripts/config_whitelist.txt      | 1 -
>  2 files changed, 2 deletions(-)
> 

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