led: pwm: support active-low property
active-low is an optional property to describe PWMs where the LED is wired
to supply rather than ground. Add barebox support for it.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent f2fae1b commit 769eb5e7bbb21199611cec2519a47447375cc57a
@Ahmad Fatoum Ahmad Fatoum authored on 6 Feb 2020
Sascha Hauer committed on 10 Feb 2020
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drivers/led/led-pwm.c