The probing order of the two mmc controllers (sdcard and sdio wifi) has
changed in kernel 5.10 since commit 21b2cec61c04bd1 (mmc: Set
PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v4.4), so change to
root=PARTUUID=.. instead of hardcoding /dev/mmcblkXp2.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
[yann.morin.1998@free.fr: use feedc0de as magic]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>