[PATCH] cmd: spi: Judge the number of added parameters

[Tom Rini]

On Tue, Dec 06, 2022 at 05:24:38PM +0800, chenzhipeng wrote:

> When only sspi is entered, help information can be printed.
> 
> Signed-off-by: chenzhipeng <chenzhipeng at eswincomputing.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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