board: Add support for Conclusive KSTR-SAMA5D27

Introduce support for Conclusive KSTR-SAMA5D27 Single Board Computer.

Co-developed-by: Jakub Klama <jakub@conclusive.pl>
Signed-off-by: Jakub Klama <jakub@conclusive.pl>
Co-developed-by: Marcin Jabrzyk <marcin@conclusive.pl>
Signed-off-by: Marcin Jabrzyk <marcin@conclusive.pl>
Signed-off-by: Artur Rojek <artur@conclusive.pl>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 4569483..f6f0d84 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1232,6 +1232,9 @@
 dtb-$(CONFIG_TARGET_SAMA5D27_WLSOM1_EK) += \
 	at91-sama5d27_wlsom1_ek.dtb
 
+dtb-$(CONFIG_TARGET_KSTR_SAMA5D27) += \
+	at91-kstr-sama5d27.dtb
+
 dtb-$(CONFIG_TARGET_SAMA5D2_ICP) += \
 	at91-sama5d2_icp.dtb