defconfigs: imx6: engicam: Enable FIT

Enable Flattened Image Tree support for all Engicam boards.

Cc: Stefano Babic <sbabic@denx.de>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/configs/imx6dl_icore_mmc_defconfig b/configs/imx6dl_icore_mmc_defconfig
index dc90128..9e8af0a 100644
--- a/configs/imx6dl_icore_mmc_defconfig
+++ b/configs/imx6dl_icore_mmc_defconfig
@@ -16,6 +16,9 @@
 CONFIG_SPL=y
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="icorem6qdl> "
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_FIT_SIGNATURE=y
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_MEMTEST=y
 CONFIG_CMD_MMC=y