mfd: Constify regmap and irq configuration data

Constify in various drivers configuration data which is not modified:
 - regmap_irq_chip,
 - individual regmap_irq's in array,
 - regmap_config,
 - irq_domain_ops,

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --cc drivers/mfd/88pm860x-core.c
Simple merge

diff --cc drivers/mfd/ab8500-core.c
Simple merge

diff --cc drivers/mfd/arizona-irq.c
Simple merge

diff --cc drivers/mfd/da9052-irq.c
Simple merge

diff --cc drivers/mfd/da9055-core.c
Simple merge

diff --cc drivers/mfd/da9063-irq.c
Simple merge

diff --cc drivers/mfd/da9150-core.c
Simple merge

diff --cc drivers/mfd/db8500-prcmu.c
Simple merge

diff --cc drivers/mfd/intel_soc_pmic_core.h
Simple merge

diff --cc drivers/mfd/intel_soc_pmic_crc.c
Simple merge

diff --cc drivers/mfd/lp8788-irq.c
Simple merge

diff --cc drivers/mfd/max8925-core.c
Simple merge

diff --cc drivers/mfd/max8997-irq.c
Simple merge

diff --cc drivers/mfd/max8998-irq.c
Simple merge

diff --cc drivers/mfd/mt6397-core.c
Simple merge

diff --cc drivers/mfd/stmpe.c
Simple merge

diff --cc drivers/mfd/tc3589x.c
Simple merge

diff --cc drivers/mfd/tps6586x.c
Simple merge

diff --cc drivers/mfd/twl6030-irq.c
Simple merge

diff --cc drivers/mfd/wm831x-irq.c
Simple merge

diff --cc drivers/mfd/wm8994-irq.c
Simple merge

diff --cc include/linux/mfd/da9055/core.h
Simple merge