Merge branch 'dev_addr-const-fixes'

Jakub Kicinski says:

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ethernet: fix some esoteric drivers after netdev->dev_addr constification

Looking at recent fixes for drivers which don't get included with
allmodconfig builds I thought it's worth grepping for more instances of:

  dev->dev_addr\[.*\] =

This set contains the fixes.

v2: add last 3 patches which fix drivers for the RiscPC ARM platform.
Thanks to Arnd Bergmann for explaining how to build test that.
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Signed-off-by: David S. Miller <davem@davemloft.net>