MLECO-2984: Refactor components

* Use UART component from Ethos-U core-platform
* Components as cmake project

Change-Id: I053f3a59800abc20216e6a4df8555db357e3f21d
Signed-off-by: Isabella Gottardi <isabella.gottardi@arm.com>
diff --git a/source/hal/components/ethosu_ta_init/CMakeLists.txt b/source/hal/components/ethosu_ta_init/CMakeLists.txt
new file mode 100644
index 0000000..b5f94c1
--- /dev/null
+++ b/source/hal/components/ethosu_ta_init/CMakeLists.txt
@@ -0,0 +1,67 @@
+#----------------------------------------------------------------------------
+#  Copyright (c) 2022 Arm Limited. All rights reserved.
+#  SPDX-License-Identifier: Apache-2.0
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#----------------------------------------------------------------------------
+
+#########################################################
+#  Ethos-U NPU timing adapter initialization library    #
+#########################################################
+
+cmake_minimum_required(VERSION 3.15.6)
+set(ETHOS_U_NPU_TA_COMPONENT ethosu_ta_init_component)
+project(${ETHOS_U_NPU_TA_COMPONENT}
+    DESCRIPTION     "Ethos-U NPU timing adapter initialization library"
+    LANGUAGES       C CXX ASM)
+
+# Checks
+## If a TA config file is provided, we generate a settings file
+if (DEFINED TA_CONFIG_FILE)
+    include(${TA_CONFIG_FILE})
+    set(TA_SETTINGS_TEMPLATE ${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/timing_adapter_settings.template)
+    configure_file("${TA_SETTINGS_TEMPLATE}" "${SOURCE_GEN_DIR}/timing_adapter_settings.h")
+endif()
+
+## Timing adapter Source path check
+if (NOT DEFINED ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH)
+    message(FATAL_ERROR "ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH should"
+            " be defined when ETHOS_U_NPU_ENABLED=${ETHOS_U_NPU_ENABLED}")
+endif()
+
+add_subdirectory(${ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH} ${CMAKE_BINARY_DIR}/timing_adapter)
+
+# Create static library
+add_library(${ETHOS_U_NPU_TA_COMPONENT} STATIC)
+
+## Include directories - public
+target_include_directories(${ETHOS_U_NPU_TA_COMPONENT}
+    PUBLIC
+    include
+    ${SOURCE_GEN_DIR})
+
+## Component sources
+target_sources(${ETHOS_U_NPU_TA_COMPONENT}
+    PRIVATE
+    ethosu_ta_init.c)
+
+## Add dependencies
+target_link_libraries(${ETHOS_U_NPU_TA_COMPONENT} PUBLIC
+    timing_adapter
+    log)
+
+# Display status
+message(STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR})
+message(STATUS "*******************************************************")
+message(STATUS "Library                                : " ${ETHOS_U_NPU_TA_COMPONENT})
+message(STATUS "*******************************************************")