host_test: wl migrated to Cmake and linux emulation of esp_partition

- build system changed to CMake
 - host tests changed to use partition api on linux instead of mocked code
 - extended wl flash host tests to cover power off recovery code

components/spi_flash/CMakeLists.txt

@@ -1,5 +1,7 @@
 idf_build_get_property(target IDF_TARGET)
 if(${target} STREQUAL "linux")
+    idf_component_register(INCLUDE_DIRS include
+                           PRIV_INCLUDE_DIRS include/spi_flash)
     return()
 endif()