This is just a simple test to count the instructions executed by a
kernel. However a later test will detect a failure condition when
icount is enabled.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210213130325.14781-16-alex.bennee@linaro.org>