net: socket: add support for async operations

Add support for async operations.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

diff --cc net/compat.c
Simple merge

diff --cc net/socket.c
Simple merge