configs: j7200_evm_a72: Add Initial support

Add initial A72 defconfig support.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/board/ti/j721e/MAINTAINERS b/board/ti/j721e/MAINTAINERS
index 259ff74..4b13f46 100644
--- a/board/ti/j721e/MAINTAINERS
+++ b/board/ti/j721e/MAINTAINERS
@@ -6,3 +6,4 @@
 F:	configs/j721e_evm_r5_defconfig
 F:	configs/j721e_evm_a72_defconfig
 F:	configs/j7200_evm_r5_defconfig
+F:	configs/j7200_evm_a72_defconfig