ARM: renesas: Add R8A77990 E3 Ebisu board

Add support for the R8A77990 Ebisu board.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/board/renesas/ebisu/MAINTAINERS b/board/renesas/ebisu/MAINTAINERS
new file mode 100644
index 0000000..facad52
--- /dev/null
+++ b/board/renesas/ebisu/MAINTAINERS
@@ -0,0 +1,6 @@
+EBISU BOARD
+M:	Marek Vasut <marek.vasut+renesas@gmail.com>
+S:	Maintained
+F:	board/renesas/ebisu/
+F:	include/configs/ebisu.h
+F:	configs/r8a77990_ebisu_defconfig