As noted in the issue #20666 discussion, though the console is not used
by this sample app, it can't really be "disabled" using this Kconfig
option, so remove the CONFIG_SERIAL=n line.
Fixes: #20666
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
Remove legacy option and use SYS_CLOCK_EXISTS where appropriate.
Change-Id: I3d524ea2776e638683f0196c0cc342359d5d810f
Signed-off-by: Anas Nashif <anas.nashif@intel.com>