Introduce the DNS Kconfig symbol so that various network commands may
use host names without the dns command (CMD_DNS) being selected.
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
CC: E Shattow <e@freeshell.de>
Add a proper documentation file for the sntp command in RST format and
drop doc/README.SNTP. The documentation now includes the NET_LWIP
specificities.
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>