fix some imports

liteeth/core/mac/core/__init__.py

@@ -1,6 +1,6 @@
 from liteeth.common import *
 from liteeth.core.mac.core import gap, preamble, crc, padding, last_be
-from liteeth.phy.sim import LiteEthPHYSim
+from liteeth.phy.model import LiteEthPHYModel
 from liteeth.phy.mii import LiteEthPHYMII
 
 

liteeth/core/mac/frontend/wishbone.py

@@ -1,5 +1,5 @@
 from liteeth.common import *
-from litex.soc.cores.liteeth_mini.mac.frontend import sram
+from liteeth.core.mac.frontend import sram
 
 from litex.soc.interconnect import wishbone
 from litex.gen.fhdl.simplify import FullMemoryWE

liteeth/phy/model.py

@@ -1,6 +1,6 @@
 import os
 
-from litex.soc.cores.liteeth_mini.common import *
+from liteeth.common import *
 
 
 class LiteEthPHYModelCRG(Module, AutoCSR):