imx: move CONFIG_VIDEO_IPUV3 to defconfigs

Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/configs/cm_fx6_defconfig b/configs/cm_fx6_defconfig
index 2178170..4a46bb5 100644
--- a/configs/cm_fx6_defconfig
+++ b/configs/cm_fx6_defconfig
@@ -79,4 +79,5 @@
 CONFIG_USB_KEYBOARD=y
 CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y
 CONFIG_VIDEO=y
+CONFIG_VIDEO_IPUV3=y
 CONFIG_FDT_FIXUP_PARTITIONS=y