Merge branch 'net_prefetch-API'

Tariq Toukan says:

====================
net_prefetch API

This patchset adds a common net API for L1 cacheline size-aware prefetch.

Patch 1 introduces the common API in net and aligns the drivers to use it.
Patches 2 and 3 add usage in mlx4 and mlx5 Eth drivers.

Series generated against net-next commit:
be0011f208a6 Merge tag 'batadv-next-for-davem-20200824' of git://git.open-mesh.org/linux-merge
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Signed-off-by: David S. Miller <davem@davemloft.net>