Rework samples using LED and GPIO to enforce use of "CONTROLLER"
as LED and PGIO postifx.
Change impact all samples that could be run by boards yet moved to
GPIO node generations, which is only STM32 for now
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
The QEMU_NET_STACK is enabled automatically if building
a networking application to QEMU so no need to do it for
each networking sample.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This should clear up some of the confusion with random number
generators and drivers that obtain entropy from the hardware. Also,
many hardware number generators have limited bandwidth, so it's natural
for their output to be only used for seeding a random number generator.
Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>