ARM: ux500: Provide regulator support for SMSC911x via Device Tree

This patch adds a fixed regulator for use by the SMSC911x Ethernet
chip driver into the db8500 Device Tree. It also references other
regulators required by the same device.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index 7e84f45..2d4f661 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -75,6 +75,7 @@
 CONFIG_AB8500_CORE=y
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_AB8500=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
 # CONFIG_HID_SUPPORT is not set
 CONFIG_USB_GADGET=y
 CONFIG_AB8500_USB=y