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/platform/native/CMakeLists.txt b/source/hal/platform/native/CMakeLists.txt
index 0435cf1..0b9fee1 100644
--- a/source/hal/platform/native/CMakeLists.txt
+++ b/source/hal/platform/native/CMakeLists.txt
@@ -21,7 +21,7 @@
 
 cmake_minimum_required(VERSION 3.15.6)
 
-set(PLATFORM_DRIVERS_TARGET platform-drivers)
+set(PLATFORM_DRIVERS_TARGET platform_drivers)
 
 project(${PLATFORM_DRIVERS_TARGET}
     DESCRIPTION     "Platform drivers library for native target"