typhoon: replace users of __constant_{endian}

The base versions handle constant folding just fine, use them
directly.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: David Dillow <dave@thedillows.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/typhoon.c
Simple merge

diff --cc drivers/net/typhoon.h
Simple merge