board: atmel: add sama5d2_ptc_ek board

Add the SAMA5D2 PTC EK board and remove the SAMA5D2 PTC ENGI board
which was a prototype.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
diff --git a/board/atmel/sama5d2_ptc_ek/Makefile b/board/atmel/sama5d2_ptc_ek/Makefile
new file mode 100644
index 0000000..9fe4b41
--- /dev/null
+++ b/board/atmel/sama5d2_ptc_ek/Makefile
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2017 Microchip Corporation
+#		     Wenyou Yang <wenyou.yang@microchip.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += sama5d2_ptc_ek.o