Implemented workarounds for the following dTSEC Erratum:
A002, A004, A0012, A0014, A004839 on several operations
that involve MAC CFG register changes: adjust link,
rx pause frames, modify MAC address.
Signed-off-by: NFlorinel Iordache <florinel.iordache@nxp.com>
Acked-by: NMadalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>