The device tree aliases show:
- mmc0 = sdhci (eMMC, 8-bit, non-removable)
- mmc1 = sdmmc (SD card, 4-bit, removable)
Previous boot order (mmc0, nvme, mmc1) caused the system to always
boot from eMMC when multiple storage devices were present, ignoring
bootable SD cards.
New boot order (mmc1, nvme, mmc0) now correctly prioritizes:
1. SD card
2. NVMe
3. eMMC
This ensures consistent boot behavior when using SD card as primary
boot device.
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