ARM: dts: at91: introduce the sama5d2 ptc ek board

Add the official SAMA5D2 Peripheral Touch Controller Evaluation
Kit board.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d62ee6f..b05beb8 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -49,6 +49,7 @@
 	at91-kizbox2.dtb \
 	at91-nattis-2-natte-2.dtb \
 	at91-sama5d27_som1_ek.dtb \
+	at91-sama5d2_ptc_ek.dtb \
 	at91-sama5d2_xplained.dtb \
 	at91-sama5d3_xplained.dtb \
 	at91-tse850-3.dtb \