Change the component path to relative to the IDF as the build will fail if the example is moved from its folder.
(cherry picked from commit 4011f5ce595d114c69c46298088440a230eed937)
Signed-off-by: Rahul Tank <rahul.tank@espressif.com>
This updates the minimal supported version of CMake to 3.16, which in turn enables us to use more CMake features and have a cleaner build system.
This is the version that provides most new features and also the one we use in our latest docker image for CI.
