ARM: dts: k2hk: Enable OF_CONTROL and DM

Import k2hk specific DT files from Linux Kernel and enable
OF_CONTROL, DM, DM_SERIAL.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 39863a2..09b8d43 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -169,6 +169,8 @@
 dtb-$(CONFIG_VF610) += vf500-colibri.dtb \
 	vf610-colibri.dtb
 
+dtb-$(CONFIG_SOC_KEYSTONE) += k2hk-evm.dtb
+
 targets += $(dtb-y)
 
 # Add any required device tree compiler flags here