net: yaip: Renamed network data receive function

Renamed net_recv() to net_recv_data() so that the more generic
name can be used by applications. The net_recv_data() is only
meant to be used when L2 layer feeds data into L3 (IP) layer.

Change-Id: Iba155d51f81e3b99964fa916fe87a05a8bf8766a
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>