add neopixel led strip driver for saola, make saola as an component

examples/device/board_test/CMakeLists.txt

@@ -2,13 +2,14 @@
 # CMakeLists in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.5)
 
-# example src directory
-set(EXTRA_COMPONENT_DIRS "src")
-
 # TOP is absolute path to root directory of TinyUSB git repo
 set(TOP "../../..")
 get_filename_component(TOP "${TOP}" REALPATH)
 
+# Add example src and bsp directories 
+set(EXTRA_COMPONENT_DIRS "src" "${TOP}/hw/bsp/esp32s2_saola_1")
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+set(SUPPORTED_TARGETS esp32s2)
 
 project(board_test)

examples/device/board_test/src/CMakeLists.txt

@@ -13,7 +13,3 @@ target_include_directories(${COMPONENT_TARGET} PUBLIC
   "${TOP}/hw"
   "${TOP}/src"
 )
-
-target_sources(${COMPONENT_TARGET} PUBLIC
-  "${TOP}/hw/bsp/esp32s2_saola_1/esp32s2_saola_1.c"
-)