board: ti: am335x: Add BBE Lite support

The Sancloud BeagleBone Enhanced Lite (BBE Lite) has its own devicetree
file and the board can be identified by the 2nd letter of the config
string within the common EEPROM.

Signed-off-by: Paul Barker <paul.barker@sancloud.com>
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 9b70670..dd54f4d 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -825,8 +825,14 @@
 
 	if (board_is_bbg1())
 		name = "BBG1";
-	if (board_is_bben())
-		name = "BBEN";
+	if (board_is_bben()) {
+		char subtype_id = board_ti_get_config()[1];
+
+		if (subtype_id == 'L')
+			name = "BBELITE";
+		else
+			name = "BBEN";
+	}
 	set_board_info_env(name);
 
 	/*
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index cbb7b91..746d11b 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -134,6 +134,8 @@
 			"setenv fdtfile am335x-boneblue.dtb; fi; " \
 		"if test $board_name = BBEN; then " \
 			"setenv fdtfile am335x-sancloud-bbe.dtb; fi; " \
+		"if test $board_name = BBELITE; then " \
+			"setenv fdtfile am335x-sancloud-bbe-lite.dtb; fi; " \
 		"if test $board_name = A33515BB; then " \
 			"setenv fdtfile am335x-evm.dtb; fi; " \
 		"if test $board_name = A335X_SK; then " \