Import patches for the MT7530 DSA driver from net-next tree:
cae425cb43fe net: dsa: allow DSA switch drivers to provide their own phylink mac ops
dd0c9855b413 net: dsa: introduce dsa_phylink_to_port()
7c5e37d7ee78 net: dsa: mt7530: simplify core operations
868ff5f4944a net: dsa: mt7530-mdio: read PHY address of switch from device tree
2c606d138518 net: dsa: mt7530: fix port mirroring for MT7988 SoC switch
d59cf049c837 net: dsa: mt7530: fix mirroring frames received on local port
62d6d91db98a net: dsa: mt7530: provide own phylink MAC operations
Signed-off-by: Daniel Golle <daniel@makrotopia.org>