net: Change mii to ethtool advertisement function names

net: Change mii to ethtool advertisement function names

This patch implements advice by Ben Hutchings to change the mii side of
the function names to look more like the register whose values they
convert.  New LPA translation functions have been added as well.

(cherry picked from commit 37f07023d30708b5da091fe6d6be9b60783c6d82)
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Joe Jin <joe.jin@oracle.com>