ARM: configs: add ahci_mvebu to mvebu_v7_defconfig

The Marvell Armada 38x platform needs the ahci_mvebu driver enabled
for the AHCI interfaces, so this commit enables the corresponding
Kconfig option in mvebu_v7_defconfig.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397574006-5868-5-git-send-email-thomas.petazzoni@free-electrons.comSigned-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/configs/mvebu_v7_defconfig

@@ -40,6 +40,7 @@ CONFIG_CFG80211=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_BLK_DEV_SD=y
 CONFIG_ATA=y
+CONFIG_AHCI_MVEBU=y
 CONFIG_SATA_MV=y
 CONFIG_NETDEVICES=y
 CONFIG_MVNETA=y