Merge branch 'ib-qcom-ssbi' into devel

arch/arm/boot/dts/qcom-apq8060-dragonboard.dts

arch/arm/boot/dts/qcom-apq8064.dtsi

arch/arm/boot/dts/qcom-mdm9615.dtsi

arch/arm/boot/dts/qcom-msm8660.dtsi

drivers/mfd/Kconfig

drivers/mfd/qcom-pm8xxx.c

drivers/pinctrl/qcom/Kconfig

drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c

include/linux/irq.h

include/linux/irqdomain.h

kernel/irq/chip.c

kernel/irq/irqdomain.c