MAINTAINERS: Add ROHM BU27008

Add myself as a maintainer for ROHM BU27008 color sensor driver.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/31e25a41135ab0a86645b5078af797802b32f9c7.1683541225.git.mazziesaccount@gmail.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

MAINTAINERS

@@ -18250,10 +18250,11 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/iio/light/bh1750.yaml
 F:	drivers/iio/light/bh1750.c
 
-ROHM BU27034 AMBIENT LIGHT SENSOR DRIVER
+ROHM BU270xx LIGHT SENSOR DRIVERs
 M:	Matti Vaittinen <mazziesaccount@gmail.com>
 L:	linux-iio@vger.kernel.org
 S:	Supported
+F:	drivers/iio/light/rohm-bu27008.c
 F:	drivers/iio/light/rohm-bu27034.c
 
 ROHM MULTIFUNCTION BD9571MWV-M PMIC DEVICE DRIVERS