Realtek switch SoC docs

cypress feature MIRRORING

Registers

Offset Name Summary
MIRRORING
2500 MIR_CTRL
2510 MIR_SPM_CTRL
2530 MIR_DPM_CTRL
2550 MIR_RSPAN_RX_TAG_RM_CTRL
2554 MIR_RSPAN_RX_TAG_EN_CTRL
2558 MIR_SAMPLE_RATE_CTRL
69a0 MIR_RSPAN_VLAN_CTRL
69b0 MIR_RSPAN_TX_CTRL