In the rebase process of 5.15 hack patch the ETHERNET_PACKET_MANGLE got
wrongly swapped from AR8216_PHY to PSB6970_PHY.
Restore the ETHERNET_PACKET_MANGLE select to the right place.
Fixes: 1f302afd7350 ("generic: 5.15: rework hack patch")
Signed-off-by: Christian 'Ansuel' Marangi <ansuelsmth@gmail.com>