Enable the statistics subsystem shell by default if both statistics and
shell are enabled.
Have the statistics shell imply enabling named statistics as this takes out
a lot of guesswork regarding which statistics counter is which.
Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
Sort entries alphabetically and cleanup top level menu for each
subsystem. Move stats subsystem Kconfig from debug into its own Kconfig.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>