When we enabled SEGGER support on the ST SoCs we now how some systems
with really small amounts of memory that the sample can't be built for.
Set a min_ram to exclude such systems.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Use HAS_ Kconfig option as intended, those are invisible option that
signify support of a certain feature that can be selected by a hardware
or platform.
For RTT and system view this was not dont in an inconsistent way.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
