fix: properly resolve component dependencies

There is currently a bug in the __build_resolve_and_add_req function in
tools/cmake/build.cmake where the check for registered component
requirements is incorrectly applied to the component itself rather than
its dependencies. This issue likely originated from a typo, using
component_target instead of _component_target. To prevent further
confusion, _component_target has been renamed to _req_target.

Fixing this revealed multiple incorrect dependencies for the Linux
target, which have now been resolved by explicitly specifying the
dependencies for the Linux target.

Closes https://github.com/espressif/esp-idf/issues/13447

Signed-off-by: Frantisek Hrbata <frantisek.hrbata@espressif.com>

components/nvs_flash/CMakeLists.txt

@@ -14,9 +14,16 @@ set(srcs "src/nvs_api.cpp"
          "src/nvs_types.cpp"
          "src/nvs_platform.cpp")
 
+set(requires esp_partition)
+if(${target} STREQUAL "linux")
+    set(priv_requires spi_flash)
+else()
+    set(priv_requires spi_flash newlib)
+endif()
+
 idf_component_register(SRCS "${srcs}"
-                    REQUIRES "esp_partition"
-                    PRIV_REQUIRES spi_flash newlib
+                    REQUIRES "${requires}"
+                    PRIV_REQUIRES "${priv_requires}"
                     INCLUDE_DIRS "include"
                     "../spi_flash/include"
                     PRIV_INCLUDE_DIRS "private_include")