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/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 7e85b69..9ec3ab3 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -143,10 +143,9 @@
 	select BOARD_EARLY_INIT_F
 	select BOARD_LATE_INIT
 
-config TARGET_SAMA5D2_PTC
-	bool "SAMA5D2 PTC board"
+config TARGET_SAMA5D2_PTC_EK
+	bool "SAMA5D2 PTC EK board"
 	select SAMA5D2
-	select SUPPORT_SPL
 	select BOARD_EARLY_INIT_F
 
 config TARGET_SAMA5D2_XPLAINED
@@ -251,7 +250,7 @@
 source "board/atmel/at91sam9n12ek/Kconfig"
 source "board/atmel/at91sam9rlek/Kconfig"
 source "board/atmel/at91sam9x5ek/Kconfig"
-source "board/atmel/sama5d2_ptc/Kconfig"
+source "board/atmel/sama5d2_ptc_ek/Kconfig"
 source "board/atmel/sama5d2_xplained/Kconfig"
 source "board/atmel/sama5d27_som1_ek/Kconfig"
 source "board/atmel/sama5d3_xplained/Kconfig"