Merge branch 'renesas-dead-code'

Sergey Shtylyov says:

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Remove some dead code in the Renesas Ethernet drivers

Here are 2 patches against DaveM's 'net-next.git' repo. The Renesas drivers
call their ndo_stop() methods directly and they always return 0, making the
result checks pointless, hence remove them...
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Signed-off-by: David S. Miller <davem@davemloft.net>