Merge branch 'imx/dt' into for-next

diff --cc arch/arm/boot/dts/imx51-zii-rdu1.dts
Simple merge

diff --cc arch/arm/boot/dts/imx6sll.dtsi
Simple merge

diff --cc arch/arm/boot/dts/imx6sx-sdb.dtsi
Simple merge

diff --cc arch/arm/boot/dts/imx7d-nitrogen7.dts
Simple merge

diff --cc arch/arm/boot/dts/imx7d-pico.dtsi
Simple merge

diff --cc arch/arm/boot/dts/vf610m4-colibri.dts
Simple merge