Update Linux kernel config for kuiper. re-Add REALTEK Ethernet PHY support for sdrpi

Update the devicetree and kernel config preparing for new release:
1. Devicetree needs to be simplified due to that we remove/disable lots of unnecessary adi FPGA blocks/functionalities
2. Add more L

Update the devicetree and kernel config preparing for new release:
1. Devicetree needs to be simplified due to that we remove/disable lots of unnecessary adi FPGA blocks/functionalities
2. Add more Linux kernel modules/functionalities to easy more powerful/flexible network setup/features

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improve the kernel build procedure

sync internal

prepare upgrade