[U-Boot] [PATCH] command: constify _do_help input tables

[Mike Frysinger]

On Sun, Apr 24, 2011 at 5:43 AM, Mike Frysinger wrote:
> The _do_help func does not need to write to the command tables passed
> to it, so constify the input args.

err, forgot this one for now.  it requires tinkering in other internal
command funcs to avoid compiler warnings, and changes in those
requires tinkering in all command code.  i'll have to split up my old
patch to make this work.
-mike