Travis: add more examples we should support
Travis: add more examples we should support

Co-authored-by: Hugues Kamba <402748a27f75fbc914c63b0503c6fbcb2aac22b4@users.noreply.github.com>

mbedmicro/mbed,mbedmicro/mbed,mbedmicro/mbed,mbedmicro/mbed,mbedmicro/mbed