Hi Guix!

I'm afraid the last u-boot update broke booting the rockpro64 and
pinebook-pro from the eMMC card :-/.  Going through the u-boot ML, I saw
that it was reported [0], and this fix [1] should be applied.

So here's a patch!  I tested it on on both the pinebook-pro and
rockpro64.

OK to apply?

Thanks,
Pierre

[0]: https://lists.denx.de/pipermail/u-boot/2021-November/466329.html
[1]: https://patchwork.ozlabs.org/project/uboot/patch/20211101044347.17822-1-yifeng.zhao@rock-chips.com/