configs: am64x_evm_r5: Add Initial support

Add initial R5 defconfig support for AM64x SoCs.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
diff --git a/board/ti/am64x/MAINTAINERS b/board/ti/am64x/MAINTAINERS
new file mode 100644
index 0000000..bb8c00c
--- /dev/null
+++ b/board/ti/am64x/MAINTAINERS
@@ -0,0 +1,7 @@
+AM64x BOARD
+M:	Dave Gerlach <d-gerlach@ti.com>
+M:	Lokesh Vutla <lokeshvutla@ti.com>
+S:	Maintained
+F:	board/ti/am64x/
+F:	include/configs/am64x_evm.h
+F:	configs/am64x_evm_r5_defconfig