stmmac: make function tables const

These tables only contain function pointers.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/stmmac/common.h
Simple merge

diff --cc drivers/net/stmmac/dwmac100.h
Simple merge

diff --cc drivers/net/stmmac/dwmac1000.h
Simple merge

diff --cc drivers/net/stmmac/dwmac1000_core.c
Simple merge

diff --cc drivers/net/stmmac/dwmac1000_dma.c
Simple merge

diff --cc drivers/net/stmmac/dwmac100_core.c
Simple merge

diff --cc drivers/net/stmmac/dwmac100_dma.c
Simple merge

diff --cc drivers/net/stmmac/enh_desc.c
Simple merge

diff --cc drivers/net/stmmac/norm_desc.c
Simple merge

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