arm64: defconfig: Enable BD9571MWV regulator

The BD9571 PMIC is present on the Renesas Salvator-X(S) and R-Car
Starter Kit Premier/Pro development boards.
Signed-off-by: Dien Pham <dien.pham.ry@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/configs/defconfig

@@ -383,6 +383,7 @@ CONFIG_MESON_WATCHDOG=m
 CONFIG_RENESAS_WDT=y
 CONFIG_UNIPHIER_WATCHDOG=y
 CONFIG_BCM2835_WDT=y
+CONFIG_MFD_BD9571MWV=y
 CONFIG_MFD_AXP20X_RSB=y
 CONFIG_MFD_CROS_EC=y
 CONFIG_MFD_CROS_EC_I2C=y
@@ -396,6 +397,7 @@ CONFIG_MFD_SPMI_PMIC=y
 CONFIG_MFD_RK808=y
 CONFIG_MFD_SEC_CORE=y
 CONFIG_REGULATOR_AXP20X=y
+CONFIG_REGULATOR_BD9571MWV=y
 CONFIG_REGULATOR_FAN53555=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
 CONFIG_REGULATOR_GPIO=y