uboot-rockchip: fix boot issues with some SD cards
Some SD cards fail to boot with the NanoPi R2S
--Snip--
U-Boot TPL 2021.07-OpenWrt-r23596+6-
7c43ced160 (Aug 21 2023 - 21:16:14)
DDR4, 333MHz
BW=32 Col=10 Bk=4 BG=2 CS0 Row=15 CS=1 Die BW=16 Size=1024MB
Trying to boot from BOOTROM
Returning to boot ROM...
U-Boot SPL 2021.07-OpenWrt-r23596+6-
7c43ced160 (Aug 21 2023 - 21:16:14 +0000)
Trying to boot from MMC1
mmc_load_image_raw_sector: mmc block read error
SPL: failed to boot from all boot devices
--Snap--
Removing the UHS capabilities from the MMC controller makes them boot
again. Linux itself still uses the UHS capabilities.
Signed-off-by: David Bauer <mail@david-bauer.net>