RK3568有3个SATA3.0功能，SATA0, SATA1, SATA2

SATA0与USB3.0 OTG复用
SATA1与USB3 Host， QSGMII复用
SATA2与PCIE2.0， QSGMII复用

sata0 phy节点combphy0_us
sata1 phy节点 combphy1_usq
sata2 phy节点 combphy2_psq