board/atmel: genimage: remove display variant dtbs

Display variant dtbs are no longer part of the linux-at91 tree.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

board/atmel/sama5d2_xplained_mmc/genimage.cfg

@@ -5,9 +5,6 @@ image boot.vfat {
 		files = {
 			"zImage",
 			"at91-sama5d2_xplained.dtb",
-			"at91-sama5d2_xplained_pda4.dtb",
-			"at91-sama5d2_xplained_pda7.dtb",
-			"at91-sama5d2_xplained_pda7b.dtb",
 			"boot.bin",
 			"u-boot.bin"
 		}

board/atmel/sama5d3_xplained_mmc/genimage.cfg

@@ -5,9 +5,6 @@ image boot.vfat {
 		files = {
 			"zImage",
 			"at91-sama5d3_xplained.dtb",
-			"at91-sama5d3_xplained_pda4.dtb",
-			"at91-sama5d3_xplained_pda7.dtb",
-			"at91-sama5d3_xplained_pda7b.dtb",
 			"boot.bin",
 			"u-boot.bin"
 		}

board/atmel/sama5d4_xplained_mmc/genimage.cfg

@@ -5,10 +5,6 @@ image boot.vfat {
 		files = {
 			"zImage",
 			"at91-sama5d4_xplained.dtb",
-			"at91-sama5d4_xplained_hdmi.dtb",
-			"at91-sama5d4_xplained_pda4.dtb",
-			"at91-sama5d4_xplained_pda7.dtb",
-			"at91-sama5d4_xplained_pda7b.dtb",
 			"boot.bin",
 			"u-boot.bin"
 		}