headers, net: Use __kernel_sa_family_t in more definitions shared with userland

Complete the work started with commit
6602a4baf4d1a73cc4685a39ef859e1c5ddf654c ('net: Make userland include
of netlink.h more sane').

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc include/linux/atalk.h
Simple merge

diff --cc include/linux/ax25.h
Simple merge

diff --cc include/linux/caif/caif_socket.h
Simple merge

diff --cc include/linux/can.h
Simple merge

diff --cc include/linux/if_pppox.h
Simple merge

diff --cc include/linux/in.h
Simple merge

diff --cc include/linux/ipx.h
Simple merge

diff --cc include/linux/irda.h
Simple merge

diff --cc include/linux/l2tp.h
Simple merge

diff --cc include/linux/llc.h
Simple merge

diff --cc include/linux/netlink.h
Simple merge

diff --cc include/linux/phonet.h
Simple merge

diff --cc include/linux/rose.h
Simple merge

diff --cc include/linux/un.h
Simple merge

diff --cc include/linux/x25.h
Simple merge