Merge branch 'r8169-replace-several-function-pointers-with-direct-calls'

Heiner Kallweit says:

====================
r8169: replace several function pointers with direct calls

This series removes most function pointers from struct rtl8169_private
and uses direct calls instead. This simplifies the code and avoids
the penalty of indirect calls in times of retpoline.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>