ARM: configs: Enable FIXED_PHY in multi_v7 defconfig

CONFIG_FIXED_PHY is needed to have Ethernet working on STi boards.

Select it as built-in since RootFS is accessible from NFS on these boards.

Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 0af319e..c2bd549 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -220,6 +220,7 @@
 CONFIG_BROADCOM_PHY=y
 CONFIG_ICPLUS_PHY=y
 CONFIG_MICREL_PHY=y
+CONFIG_FIXED_PHY=y
 CONFIG_USB_PEGASUS=y
 CONFIG_USB_USBNET=y
 CONFIG_USB_NET_SMSC75XX=y