MAINTAINERS: Add entry for ROHM Power Management ICs

Add entry for maintaining power management IC drivers for ROHM
BD71837, BD71847, BD71850, BD71828, BD71878, BD70528 and BD99954.

Signed-off-by: Matti Vaittinen <[e-mail]>
Acked-by: Sebastian Reichel <[e-mail]>
Acked-by: Guenter Roeck <[e-mail]>
Acked-by: Stephen Boyd <[e-mail]>
Reviewed-by: Linus Walleij <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>

MAINTAINERS

···
 S:	Odd Fixes
 F:	drivers/tty/serial/rp2.*
 
+ROHM BD99954 CHARGER IC
+R:	Matti Vaittinen <[e-mail]>
+L:	[e-mail]
+S:	Supported
+F:	drivers/power/supply/bd99954-charger.c
+F:	drivers/power/supply/bd99954-charger.h
+
 ROHM BH1750 AMBIENT LIGHT SENSOR DRIVER
 M:	Tomasz Duszynski <[e-mail]>
 S:	Maintained
···
 F:	drivers/mfd/bd9571mwv.c
 F:	drivers/regulator/bd9571mwv-regulator.c
 F:	include/linux/mfd/bd9571mwv.h
+
+ROHM POWER MANAGEMENT IC DEVICE DRIVERS
+R:	Matti Vaittinen <[e-mail]>
+L:	[e-mail]
+S:	Supported
+F:	Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt
+F:	Documentation/devicetree/bindings/regulator/rohm,bd70528-regulator.txt
+F:	drivers/clk/clk-bd718x7.c
+F:	drivers/gpio/gpio-bd70528.c
+F:	drivers/gpio/gpio-bd71828.c
+F:	drivers/mfd/rohm-bd70528.c
+F:	drivers/mfd/rohm-bd71828.c
+F:	drivers/mfd/rohm-bd718x7.c
+F:	drivers/power/supply/bd70528-charger.c
+F:	drivers/regulator/bd70528-regulator.c
+F:	drivers/regulator/bd71828-regulator.c
+F:	drivers/regulator/bd718x7-regulator.c
+F:	drivers/regulator/rohm-regulator.c
+F:	drivers/rtc/rtc-bd70528.c
+F:	drivers/watchdog/bd70528_wdt.c
+F:	include/linux/mfd/rohm-bd70528.h
+F:	include/linux/mfd/rohm-bd71828.h
+F:	include/linux/mfd/rohm-bd718x7.h
+F:	include/linux/mfd/rohm-generic.h
+F:	include/linux/mfd/rohm-shared.h
 
 ROSE NETWORK LAYER
 M:	Ralf Baechle <[e-mail]>