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Add the 'nand-randomizer' property to control the data randomizer feature. This is used to improve data reliability by reducing cell-to-cell interference. Depending on the hardware architecture, this property is designed to be generic and can apply to either the NAND chip's internal randomizer or the hardware randomizer engine embedded in the NAND host controller. This property is defined as a uint32 enum (0 or 1) instead of a simple boolean. This design choice explicitly supports the "not present" case. If the property is omitted, the driver will not interfere and will leave the randomizer in its current state (e.g., as already configured by the bootloader or hardware default). Signed-off-by: Cheng Ming Lin <chengminglin@mxic.com.tw> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>