Merge branch 'sh_eth-clean-up-the-TSU-register-accessors'

Sergei Shtylyov says:

====================
sh_eth: clean up the TSU register accessors

Here's a set of 5 patches against DaveM's 'net-next.git' repo. They do
a final clean up of the TSU register accessors...
====================

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