ARM: dts: am437x-gp-evm: Add pwm backlight support.
ARM: dts: am437x-gp-evm: Add pwm backlight support.

Add pwm backlight support for gp evm.

Signed-off-by: Sourav Poddar <622174b0059324e3873cdaa4bff5b59554c7d88a@ti.com>
Signed-off-by: Benoit Cousson <8341a8614128d333cb43eedf99ddd6472c68ff67@baylibre.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs