net: ethernet: ti: cpsw: move ale, cpts and drivers params under cpsw_common

The ale, cpts, version, rx_packet_max, bus_freq, interrupt pacing
parameters are common per net device that uses the same h/w. So,
move them to common driver structure.

Signed-off-by: Ivan Khoronzhuk <[email protected]>
Reviewed-by: Mugunthan V N <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: ikhorn