net: shell: Add DNS query support

Add "net dns <hostname> [A | AAAA]" command support that can be
used to query IPv4 or IPv6 address for a given host name.

Change-Id: I86b2258efa994a67163f9b3b340f44d65767f11b
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
1 file changed