arm: mvebu: system-controller: Rework to use UCLASS_SYSCON

The system-controller driver for 32-bit Armada is currently registered
as UCLASS_RESET, since it only provides enabling/disabling PCIe ports.

Rework it as UCLASS_SYSCON and bind mvebu-reset as a child device.

Signed-off-by: Marek BehĂșn <kabel@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
3 files changed