932378aeb6
This DT property allows marking flash partition that Linux should use as a root device. It's useful for devices that don't use U-Boot and cmdline parser for partitioning. It may be used with "fixed-partitions" or some dynamic partitioning based on flash content. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> (cherry picked from commit d33e49857e3ad76586ebe55334996b15cd45ca1b)