arm:sunxi:script: remove incorrect Allwinner copyright

Signed-off-by: Alejandro Mery <amery@geeks.cl>
net:sunxi-gmac: default to m

Signed-off-by: Alejandro Mery <amery@geeks.cl>
sun7i:pm: fix types redefinition errors with gcc 4.4

Signed-off-by: Alejandro Mery <amery@geeks.cl>