dts: am57xx*: Add ipu early boot DT changes

Add support for ipu early boot.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 19500b9..54985ae 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -520,6 +520,7 @@
 M:	Tom Rini <trini@konsulko.com>
 S:	Maintained
 T:	git https://source.denx.de/u-boot/custodians/u-boot-ti.git
+F:	arch/arm/dts/am57xx*
 F:	arch/arm/dts/dra7*
 F:	arch/arm/mach-davinci/
 F:	arch/arm/mach-k3/