go: extend runtime test

go: extend runtime test

extend go runtime test with a simple test file, and simple
go module test to validate go compilation and execution on
target.

(From OE-Core rev: e3b2b9170f76f4bbdc41ea6ba7bccffc17d01968)

Signed-off-by: Osama Abdelkader <osama.abdelkader@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>