ARM: dts: AM437x-IDK Initial Support

Add initial DTS support for AM437x-IDK evm.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c
index c0d5335..b42546a 100644
--- a/board/ti/am43xx/board.c
+++ b/board/ti/am43xx/board.c
@@ -856,6 +856,8 @@
 		return 0;
 	else if (board_is_eposevm() && !strcmp(name, "am43x-epos-evm"))
 		return 0;
+	else if (board_is_idk() && !strcmp(name, "am437x-idk-evm"))
+		return 0;
 	else
 		return -1;
 }