MAINTAINERS: Add entries for Wolfson Arizona class devices

F:	Documentation/hwmon/wm83??

F:	arch/arm/mach-s3c64xx/mach-crag6410*

F:	drivers/clk/clk-wm83*.c

F:	drivers/extcon/extcon-arizona.c

F:	drivers/leds/leds-wm83*.c

F:	drivers/gpio/gpio-*wm*.c

F:	drivers/gpio/gpio-arizona.c

F:	drivers/hwmon/wm83??-hwmon.c

F:	drivers/input/misc/wm831x-on.c

F:	drivers/input/touchscreen/wm831x-ts.c

F:	drivers/input/touchscreen/wm97*.c

F:	drivers/mfd/wm8*.c

F:	drivers/mfd/arizona*

F:	drivers/mfd/wm*.c

F:	drivers/power/wm83*.c

F:	drivers/rtc/rtc-wm83*.c

F:	drivers/regulator/wm8*.c

F:	drivers/video/backlight/wm83*_bl.c

F:	drivers/watchdog/wm83*_wdt.c

F:	include/linux/mfd/arizona/

F:	include/linux/mfd/wm831x/

F:	include/linux/mfd/wm8350/

F:	include/linux/mfd/wm8400*

F:	include/linux/wm97xx.h

F:	include/sound/wm????.h

F:	sound/soc/codecs/arizona.?

F:	sound/soc/codecs/wm*

WORKQUEUE