mfd: Add ROHM BD71815 ID

Add chip ID for ROHM BD71815 and PMIC so that drivers can identify
this IC.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

include/linux/mfd/rohm-generic.h

@@ -11,6 +11,7 @@ enum rohm_chip_type {
 	ROHM_CHIP_TYPE_BD71837 = 0,
 	ROHM_CHIP_TYPE_BD71847,
 	ROHM_CHIP_TYPE_BD70528,
+	ROHM_CHIP_TYPE_BD71815,
 	ROHM_CHIP_TYPE_BD71828,
 	ROHM_CHIP_TYPE_BD9571,
 	ROHM_CHIP_TYPE_BD9574,