arm64: dts: hisilicon: hikey970-pmic: clean up SPMI node

Clean up the SPMI node by dropping the redundant status property and
moving the 'reg' property after 'compatible' for consistency.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arm64: dts: hisilicon: hikey970-pmic: fix regulator cells properties

The Hi6421 PMIC regulator child nodes do not have unit addresses so drop
the incorrect '#address-cells' and '#size-cells' properties.

Fixes: 6219b20e1ecd ("arm64: dts: hisilicon: Add support for Hikey 970 PMIC")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arm64: dts: hisilicon: Add support for Hikey 970 PMIC

Add a device tree for the HiSilicon 6421v600 SPMI PMIC, used
on HiKey970 board.

As we now have support for it, change the fixed regulators
used by the SD I/O to use the proper LDO supplies.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>