The SSD1307 was used in an early prototype that will never get
distributed. The final board now has a SSD1306 instead, that has its own
power generation unit and thus doesn't need any PWM. The panel attached
to it also changed.
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>