Realtek switch SoC docs

cypress feature LINK_AGGREGATION

Registers

Offset Name Summary
LINK_AGGREGATION
2200 TRK_MBR_CTR
2280 TRK_HASH_IDX_CTRL
2284 TRK_HASH_CTRL
2294 TRK_SEP_TRAFFIC_CTRL
2298 TRK_EXTRA_EN_CTRL