[U-Boot] [U-Boot, v2, 14/42] Kconfig: Drop CONFIG_CMD_PORTIO and associated command

[Philipp Tomsich]

> This command is not used by any board. It also looks quite similar to the
> 'iod' and 'iow' commands which use the correct I/O macros.
> 
> Drop it.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> ---
> 
> Changes in v2:
> - Drop mention of this from several other places
> - Move CMD_PORTIO changes in from the CMD_READ patch
> 
>  README                       |   1 -
>  cmd/Makefile                 |   1 -
>  cmd/portio.c                 | 145 -------------------------------------------
>  include/command.h            |   9 ++-
>  include/config_cmd_all.h     |   1 -
>  scripts/config_whitelist.txt |   1 -
>  6 files changed, 4 insertions(+), 154 deletions(-)
>  delete mode 100644 cmd/portio.c
> 

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