ARM: DT: Kirkwood: Use symbolic names from input.h

Replace the numeric key value with a symbolic name from
<bt-bindings/input/input.h>

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

diff --cc arch/arm/boot/dts/kirkwood-cloudbox.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-dnskw.dtsi
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-ib62x0.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-iconnect.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-lsxl.dtsi
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-netgear_readynas_duo_v2.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-netgear_readynas_nv+_v2.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-ns2-common.dtsi
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-nsa310.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-nsa310a.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-openblocks_a6.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-openblocks_a7.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-ts219-6281.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood-ts219-6282.dts
Simple merge

diff --cc arch/arm/boot/dts/kirkwood.dtsi
Simple merge