timer_gettime01: Cleanup.

Basically this is more or less rewrite to get rid of the mess that was
there previously.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
timer_getoverrun01: Cleanup.

Basically this is more or less rewrite to get rid of the mess that was
there previously.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>