Merge branch 'feat/usb_host_create_usb_cmock' into 'master'

feat(usb_host): Create USB Host mock for CMock host tests

Closes IDF-11234

See merge request espressif/esp-idf!33619

tools/mocks/usb/CMakeLists.txt

@@ -0,0 +1,18 @@
+# NOTE: This kind of mocking currently works on Linux targets only.
+#       On Espressif chips, too many dependencies are missing at the moment.
+message(STATUS "building USB HOST MOCKS")
+
+idf_component_get_property(original_usb_dir usb COMPONENT_OVERRIDEN_DIR)
+
+idf_component_mock(INCLUDE_DIRS "${original_usb_dir}/include"
+                                "${original_usb_dir}/include/esp_private"
+                                "${original_usb_dir}/include/usb"
+                                "${original_usb_dir}/private_include"
+                   MOCK_HEADER_FILES ${original_usb_dir}/include/usb/usb_host.h
+                                     ${original_usb_dir}/include/esp_private/usb_phy.h
+                   REQUIRES freertos)
+
+
+# We do not mock usb_helpers. We use the original implementation.
+# This way, we can test Class drivers descriptor parsing
+target_sources(${COMPONENT_LIB} PRIVATE "${original_usb_dir}/usb_helpers.c")

tools/mocks/usb/mock/mock_config.yaml

@@ -0,0 +1,7 @@
+:cmock:
+  :plugins:
+    - expect
+    - expect_any_args
+    - return_thru_ptr
+    - ignore
+    - ignore_arg