ARM: dts: 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>

Author: ldesroches

arch/arm/boot/dts/Makefile

@@ -46,7 +46,7 @@ dtb-$(CONFIG_SOC_AT91SAM9) += \
 	at91sam9x35ek.dtb
 dtb-$(CONFIG_SOC_SAM_V7) += \
 	at91-kizbox2.dtb \
-	at91-sama5d2_ptc.dtb \
+	at91-sama5d2_ptc_ek.dtb \
 	at91-sama5d27_som1_ek.dtb \
 	at91-sama5d27_som1_ek_pda4.dtb \
 	at91-sama5d27_som1_ek_pda7.dtb \