Merge branch 'net-Renesas-kill-redundant-checks'

Sergei Shtylyov says:

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Kill redundant checks in the Renesas Ethernet drivers

Here's a set of 2 patches against DaveM's 'net-next.git' repo removing
redundant checks in the driver probe() methods.
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Signed-off-by: David S. Miller <davem@davemloft.net>