CMake: unit-tests: Move mbed-headers-events to the events directory

Move the header-only mbed-headers-events library the unit test stubs
depend on into the events component directory. This makes the events
stubs more self-contained and improves the composition of the library.

Author: rajkan01

UNITTESTS/stubs/CMakeLists.txt

@@ -5,7 +5,6 @@ add_library(mbed-stubs-headers INTERFACE)
 add_library(mbed-headers INTERFACE)
 add_library(mbed-headers-base INTERFACE)
 add_library(mbed-headers-connectivity INTERFACE)
-add_library(mbed-headers-events INTERFACE)
 
 target_link_libraries(mbed-headers
     INTERFACE
@@ -40,15 +39,6 @@ target_include_directories(mbed-headers-connectivity
         ${mbed-os_SOURCE_DIR}/connectivity/FEATURE_BLE/include/ble
 )
 
-target_include_directories(mbed-headers-events
-    INTERFACE
-        ${mbed-os_SOURCE_DIR}/events/tests/UNITTESTS/target_h
-        ${mbed-os_SOURCE_DIR}/events/tests/UNITTESTS/target_h/equeue
-        ${mbed-os_SOURCE_DIR}/events/include
-        ${mbed-os_SOURCE_DIR}/events/include/events
-        ${mbed-os_SOURCE_DIR}/events/include/events/internal
-)
-
 target_include_directories(mbed-headers
     INTERFACE
         ${mbed-os_SOURCE_DIR}/features

events/tests/UNITTESTS/doubles/CMakeLists.txt

@@ -1,6 +1,17 @@
 # Copyright (c) 2021 ARM Limited. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 
+add_library(mbed-headers-events INTERFACE)
+
+target_include_directories(mbed-headers-events
+    INTERFACE
+        ${mbed-os_SOURCE_DIR}/events/tests/UNITTESTS/target_h
+        ${mbed-os_SOURCE_DIR}/events/tests/UNITTESTS/target_h/equeue
+        ${mbed-os_SOURCE_DIR}/events/include
+        ${mbed-os_SOURCE_DIR}/events/include/events
+        ${mbed-os_SOURCE_DIR}/events/include/events/internal
+)
+
 add_library(mbed-stubs-events)
 
 target_sources(mbed-stubs-events