net: stmmac: Add support for DWMAC5 and implement Safety Features

net: stmmac: Add support for DWMAC5 and implement Safety Features

This adds initial suport for DWMAC5 and implements the Automotive Safety
Package which is available from core version 5.10.

The Automotive Safety Pacakge (also called Safety Features) offers us
with error protection in the core by implementing ECC Protection in
memories, on-chip data path parity protection, FSM parity and timeout
protection and Application/CSR interface timeout protection.

In case of an uncorrectable error we call stmmac_global_err() and
reconfigure the whole core.

Signed-off-by: Jose Abreu <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Joao Pinto <[email protected]>
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>