The application main() in Zephyr is defined as having a prototype:
void main(void), as expected by the kernel init (bg_thread_main).
So, correct the different samples and tests that were defined
otherwise.
Signed-off-by: Alberto Escolar Piedras <alpi@oticon.com>
Achieved using CONFIG_NET_CONFIG_CLOCK_SNTP_INIT option, i.e. querying
time over network using SNTP.
Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>