layerscape: dts: Unify naming of gpio-keys nodes
In DTS Checklist[1] we're now demanding proper generic node names, as
the name of a node should reflect the function of the device and use
generic name for that[2]. Everybody seems to be copy&pasting from DTS
files available in the repository today, so let's unify that naming
there as well and provide proper examples.
1. https://openwrt.org/submitting-patches#dts_checklist
2. https://github.com/devicetree-org/devicetree-specification/blob/master/source/devicetree-basics.rst#generic-names-recommendation
Signed-off-by: Petr Štetiar <[email protected]>
Signed-off-by: Christian Lamparter <[email protected]> [split up]
Petr Štetiar