Add utility to print firmware log

By default the logd will try to fetch the address of the print buffer
from the device tree entry, assuming there is a device tree entry
named 'print_queue'.

Change-Id: Ic4750fe793f450152ba537820adc794731aaacaf
diff --git a/utils/CMakeLists.txt b/utils/CMakeLists.txt
index cd50866..6581048 100644
--- a/utils/CMakeLists.txt
+++ b/utils/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2020 Arm Limited. All rights reserved.
+# Copyright (c) 2020-2021 Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -16,4 +16,5 @@
 # limitations under the License.
 #
 
+add_subdirectory(ethosu_logd)
 add_subdirectory(inference_runner)