genirq: Export irq_[get|set]_irqchip_state()

Export these functions to be able to build the Qualcomm family A PMIC
gpio and mpp drivers as modules.

[ tglx: Made them GPL exports ]

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: <kernel-build-reports@lists.linaro.org>
Cc: <linaro-kernel@lists.linaro.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Link: http://lkml.kernel.org/r/1437594184-22966-1-git-send-email-bjorn.andersson@sonymobile.com


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>