ARM: dts: dove: Add Compulab SBC-A510 to Makefile

With reworked device tree files for Compulab CM-A510 SoM and SBC-A510
base board, now add the correspoding board file to Makefile again.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/boot/dts/Makefile

@@ -653,7 +653,8 @@ dtb-$(CONFIG_MACH_DOVE) += \
 	dove-cubox-es.dtb \
 	dove-d2plug.dtb \
 	dove-d3plug.dtb \
-	dove-dove-db.dtb
+	dove-dove-db.dtb \
+	dove-sbc-a510.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt6589-aquaris5.dtb \
 	mt6592-evb.dtb \