Merge branch 'net-dsa-bcm_sf2-Couple-of-fixes'

Florian Fainelli says:

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net: dsa: bcm_sf2: Couple of fixes

Here are two fixes for the bcm_sf2 driver that were found during testing
unbind and analysing another issue during system suspend/resume.
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Signed-off-by: David S. Miller <davem@davemloft.net>