Some SD cards take a while to get detected, fix booting of those.
Signed-off-by: Andre Heider <a.heider@gmail.com>
uenvcmd=run loadfdt; run loadimage; run uenvbootargs ; bootz ${loadaddr} - ${fdtaddr}
loadfdt=load mmc ${bootpart} ${fdtaddr} ${fdtdir}/${fdtfile}
devtype=mmc
uenvcmd=run loadfdt; run loadimage; run uenvbootargs ; bootz ${loadaddr} - ${fdtaddr}
loadfdt=load mmc ${bootpart} ${fdtaddr} ${fdtdir}/${fdtfile}
devtype=mmc
-uenvbootargs=setenv bootargs console=${console} root=/dev/mmcblk0p2
+uenvbootargs=setenv bootargs console=${console} root=/dev/mmcblk0p2 rootwait