arch/arm64/boot/dts/marvell: fix NAND partitioning scheme

[ Upstream commit e3850467

 ]

Eliminate 1MB gap between Linux and filesystem partitions.

Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>