Revert "ARM: dts: BCM5301X: Fix DTC warning for NAND node"

This reverts commit 90103611, which caused a new DTC warning

arch/arm/boot/dts/bcm953012hr.dts:57.3-33: Warning (reg_format): /nand-controller@18028000/nand@0/partition@0:reg: property has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
arch/arm/boot/dts/bcm953012hr.dts:62.3-33: Warning (reg_format): /nand-controller@18028000/nand@0/partition@200000:reg: property has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
arch/arm/boot/dts/bcm953012hr.dts:66.3-33: Warning (reg_format): /nand-controller@18028000/nand@0/partition@600000:reg: property has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
arch/arm/boot/dts/bcm953012hr.dts:70.3-33: Warning (reg_format): /nand-controller@18028000/nand@0/partition@1000000:reg: property has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
arch/arm/boot/dts/bcm953012hr.dtb: Warning (pci_device_reg): Failed prerequisite 'reg_format'
arch/arm/boot/dts/bcm953012hr.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
arch/arm/boot/dts/bcm953012hr.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
arch/arm/boot/dts/bcm953012hr.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'

Signed-off-by: Arnd Bergmann <arnd@arndb.de>