Merge 3.15-rc3 into staging-next

Makefile

arch/arm/Kconfig

arch/arm/Kconfig.debug

arch/arm/boot/dts/Makefile

arch/arm/boot/dts/am335x-bone-common.dtsi

arch/arm/boot/dts/am335x-evm.dts

arch/arm/boot/dts/am335x-evmsk.dts

arch/arm/boot/dts/am335x-igep0033.dtsi

arch/arm/boot/dts/am33xx.dtsi

arch/arm/boot/dts/armada-370-xp.dtsi

arch/arm/boot/dts/armada-38x.dtsi

arch/arm/boot/dts/dra7.dtsi

arch/arm/boot/dts/dra7xx-clocks.dtsi

arch/arm/boot/dts/imx25.dtsi

arch/arm/boot/dts/imx27-apf27.dts

arch/arm/boot/dts/imx27.dtsi

arch/arm/boot/dts/imx50.dtsi

arch/arm/boot/dts/imx51.dtsi

arch/arm/boot/dts/imx53-m53evk.dts

arch/arm/boot/dts/imx53-qsb-common.dtsi