ARM: dts: k2g: Add DT support

Add basic DT support for k2g evm.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 5ec20cf..bdca81b 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -171,7 +171,8 @@
 
 dtb-$(CONFIG_SOC_KEYSTONE) += k2hk-evm.dtb \
 	k2l-evm.dtb \
-	k2e-evm.dtb
+	k2e-evm.dtb \
+	k2g-evm.dtb
 
 targets += $(dtb-y)