Enable dtb file

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
diff --git a/hwpacks/linaro-highbank b/hwpacks/linaro-highbank
index afd942e..75d4ab7 100644
--- a/hwpacks/linaro-highbank
+++ b/hwpacks/linaro-highbank
@@ -20,7 +20,7 @@
 mmc_id: '0:1'
 kernel_file: boot/vmlinuz-*-highbank
 initrd_file: boot/initrd.img-*-highbank
-#dtb_file: lib/firmware/*-highbank/device-tree/highbank.dtb
+dtb_file: lib/firmware/*-highbank/device-tree/highbank.dtb
 boot_script: boot.scr
 extra_serial_options:
 - console=ttyAMA0,115200n8