Merge branch 'bcmgenet-next'

Petri Gynther says:

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net: bcmgenet: preparation for multiple Rx queues

Three small patches in preparation for supporting multiple Rx queues:
1. set hw_params->rx_queues = 0
2. adjust the call to alloc_etherdev_mqs()
3. add GENET_Q16_RX_BD_CNT and hw_params->rx_bds_per_q
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Signed-off-by: David S. Miller <davem@davemloft.net>