Merge branch 'netcp-fixes'

Murali Karicheri says:

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net: ti: netcp: restore get/set_pad_info() functionality

This series fixes a regression and add some improvements for the ease
of maintainance. Incorporated comments against v1.

Changelogs:

 v2 : combined 2-3 into one patch as this involves a header change
      fixed a parse warning in 3/4 per comment from Arnd.
      Removed Sign-off from Arnd against 1/4
      added comments in 3/3 to alert on the usage of sw data per review
      comments
 v1 : added 2-4 to accomodate feedback received from review
 v0 : initial version to fix the regression (From Grygorii)
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Signed-off-by: David S. Miller <davem@davemloft.net>