Integrate meta-seco-rk/linux-seco-rk/D23_dts_modification

Commit: edgehog/layers/seco/meta-seco-rk@794e7663

Integrate linux-seco-rk/D23_dts_modification

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Commit: edgehog/bsp/rockchip/linux-seco-rk@94ab8f97

[D23][DTS] Add HUB USB, RS232, VCC Amp regulators

• Hub USB reset regulator has been added in order to correctly manage hub USB reset.
• RS232 Enable Power regulators have been added for CPU serial interfaces (A and B).
• UART 4 enabled.
• VCC amp regulator has been added in order to power supply aplifiers.
• MIPI phy has been enabled in order to manage external camera.