MAINTAINERS: Add ROHM BD9576MUF and BD9573MUF drivers

Add maintainer entries for ROHM BD9576MUF and ROHM BD9573MUF drivers.
MFD, regulator and watchdog drivers were introduced for these PMICs.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

MAINTAINERS

@@ -15456,16 +15456,20 @@ 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/mfd/rohm-bd9576.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/bd9576-regulator.c
 F:	drivers/regulator/rohm-regulator.c
 F:	drivers/rtc/rtc-bd70528.c
 F:	drivers/watchdog/bd70528_wdt.c
+F:	drivers/watchdog/bd9576_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-bd957x.h
 F:	include/linux/mfd/rohm-generic.h
 F:	include/linux/mfd/rohm-shared.h