board: atmel: add SAMA5D2 PTC Engineering board

The board supports following features:
 - Boot media support: NAND Flash/SPI Flash
 - Support ethernet
 - Support USB mass storage

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
diff --git a/board/atmel/sama5d2_ptc/Kconfig b/board/atmel/sama5d2_ptc/Kconfig
new file mode 100644
index 0000000..d2661c6
--- /dev/null
+++ b/board/atmel/sama5d2_ptc/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_SAMA5D2_PTC
+
+config SYS_BOARD
+	default "sama5d2_ptc"
+
+config SYS_VENDOR
+	default "atmel"
+
+config SYS_SOC
+	default "at91"
+
+config SYS_CONFIG_NAME
+	default "sama5d2_ptc"
+
+endif