Add support for i.MXRT1020-EVK board

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
diff --git a/board/freescale/imxrt1020-evk/Makefile b/board/freescale/imxrt1020-evk/Makefile
new file mode 100644
index 0000000..807dc7c
--- /dev/null
+++ b/board/freescale/imxrt1020-evk/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2020
+# Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
+
+obj-y	:= imxrt1020-evk.o