eco5pk: Add new board and default config

Signed-off-by: Raphael Assenat <raph@8d.com>
[trini: Squash boards.cfg / MAINTAINERS change into main patch]
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index d4c5117..f4625c3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -573,6 +573,10 @@
 
 	edminiv2	ARM926EJS (Orion5x SoC)
 
+Raphael Assenat <raph@8d.com>
+
+	eco5pk		ARM ARMV7 (AM35x SoC)
+
 Stefano Babic <sbabic@denx.de>
 
 	ea20		davinci