variants: Introduce the builtin-led-gpios node #61
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Introduce the
builtin-led-gpiosnode to make possible to configuringthe builtin-led from dts.
This node uses to determine the value of the
LED_BUILTINmacro.Use the
led0alias to determine theLED_BUILTINif thebuiltin-led-gpiosis not defined.
The behavior can override by defining the
LED_BUILTINin pinmap.h.It uses definitions that are defined in the header preferentially.
The PR is contineued from #60.
I will rebase if #60 merged.