Adjust the bootscript so that if U-Boot is loaded from the eMMC, then
kernel "root" parameter is set to use eMMC second partition.
Signed-off-by: Diego Rondini <diego.rondini@kynetics.com>
Add support for eMMC for Olimex A20-OLinuXino Lime2 eMMC board by adding the
appropriate defconfig while waiting it is upstreamed in mainline U-Boot.
Signed-off-by: Diego Rondini <diego.rondini@kynetics.com>