Integrate linux-guf/santino_add_rs485
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Commit: seco-ne/kernel/linux-guf@86c13f7a
arm: dts: Fix SANTINO CAN-RS485 power regulator
Add the fixed regulator for the CAN/RS485 output of SANTINO, that may be optionally galvanic isolated.
With this RS485 Full Duplex mode works well.
BCS 746-000782