Align config.cmake file with app-template update

Align config.cmake file with app-template update

Submodule conf.d/app-templates 92646f6..f94e45e:
  > Align sample on actual default compile options
  > Add support to binding version 3.
  > Warning if not using wgtpkg-pack to make a widget
  > Rework CMAKE_INSTALL_PREFIX and INSTALL_PREFIX var
  > Be able to overwrite BUILD_TYPE using CLI
  > Use CACHE variable for other common CMAKE variable
  > Fix:: wrong wgt using RELEASE BUILD TYPE
  > Fix: SYSROOT location detection... Wrong test.
  > Change the default debug compilation options.
  > Clearer coverage compilation options configuration
  > Don't overwrite the autobuild script if it exists
  > Disable the in-tree build method.
  > Detect Yocto as OS distribution
  > Fix: wrong compile options added

Change-Id: I9d9f607108160e818e8d6345e9c45c02736d7355
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>