am57xevm: Add LCD Overlay to boot_fit.img

TMDSEVM572X uses beagle_x15 base device tree
and a LCD overlay.
Ref: http://www.ti.com/tool/TMDSEVM572X

This patch is to include LCD Overlay so that
BOOT_FIT generated LCD combination fit image too.

Change-Id: I106cbbadaaa76fd011900ac3b84b1d10639b761b
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
2 files changed