staging:lustre: rename tcpip handling functions to lnet_* prefix

With all the TCPIP handling done in the lnet layer we should
rename all the functions with the prefix lnet_*. One other
change done was changing the remove argument of lnet_sock_getaddr
from a int to a bool.

Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>