Booting from SD-card on StarFive VisionFive 2 is broken in master

[Yao Zi]

On Mon, Oct 20, 2025 at 10:53:11AM +0000, Yao Zi wrote:
> Hi there,
> 
> While testing the behavior of my previous patch on JH7110 platforms,
> it's found that StarFive VisionFive 2 fails to boot from SD-card with
> current U-Boot master "a58089ad2e4 (fs: semihosting: Use correct
> variable for error check, 2025-10-02)" with messages like
> 
> 	U-Boot SPL 2025.10-00669-ga58089ad2e41 (Oct 20 2025 - 10:29:30 +0000)
> 	DDR version: dc2e84f0.
> 	Trying to boot from MMC2
> 	spl: partition error
> 	Error: -38
> 	SPL: failed to boot from all boot devices
> 	### ERROR ### Please RESET the board ###

Forgot to mention it, this problem was also independently found by
Vivian Wang in later September, so here's also

Reported-by: Vivian Wang <wangruikang at iscas.ac.cn>

Adding her CC as well.

Best regards,
Yao Zi