ARM: qcom_defconfig: add ahci configs

This patch enables configs required to get SATA functionality working on
IFC6410 board.
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>

arch/arm/configs/qcom_defconfig

@@ -71,6 +71,9 @@ CONFIG_CHR_DEV_SCH=y
 CONFIG_SCSI_CONSTANTS=y
 CONFIG_SCSI_LOGGING=y
 CONFIG_SCSI_SCAN_ASYNC=y
+CONFIG_ATA=y
+CONFIG_SATA_AHCI=y
+CONFIG_SATA_AHCI_PLATFORM=y
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=y
 CONFIG_ATL1C=y