board: atmel: sama7g5ek: add initial support for sama7g5ek

Add initial support for sama7g5 evaluation kit board.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index fd47e40..073cf06 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -889,6 +889,9 @@
 dtb-$(CONFIG_TARGET_OMAP5_UEVM) += \
 	omap5-uevm.dtb
 
+dtb-$(CONFIG_TARGET_SAMA7G5EK) += \
+	sama7g5ek.dtb
+
 dtb-$(CONFIG_TARGET_SAMA5D2_PTC_EK) += \
 	at91-sama5d2_ptc_ek.dtb