Some of these messages can be hit when userspace tries to probe the i2c
with nothing connected or if the driver code tries to do the same.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=48248Signed-off-by: NDaniel Kurtz <djkurtz@chromium.org>
Signed-Off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>