uboot-imx

configs: imx6: Select missing BOARD_LATE_INIT

Select missing BOARD_LATE_INIT from configs/ to
respective targets on arch area for Engicam imx6 boards.

Cc: Tom Rini <trini@konsulko.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>