ethernet: T3171: always use full CPU enable bitmask over computational mask
ethernet: T3171: always use full CPU enable bitmask over computational mask

The Linux Kernel supports enabling more cores for RPS then we actually have.
It does internal clipping/validation so there is no need for us to calculate
the specifc enable mask we can simply throw "all -1" at the Kernel.

vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x