fix(esp_tinyusb): Fix usb component dependency for test app

    - usb dependency used to access USB PHY API
    - USB PHY removed from USB component in IDF 6.0

Author: peter-marcisovsky

device/esp_tinyusb/test_apps/runtime_config/main/CMakeLists.txt

@@ -1,6 +1,13 @@
+# 1. USB component dependency in IDF < 6.0 is used only to access USB PHY
+# 2. USB PHY was removed from the usb component in IDF 6.0 to esp_hw_support
+set(priv_requires "")
+if(${IDF_VERSION_MAJOR} LESS 6)
+    list(APPEND priv_requires usb)
+endif()
+
 idf_component_register(SRC_DIRS .
                        INCLUDE_DIRS .
                        PRIV_INCLUDE_DIRS "../../../include_private"
-                       PRIV_REQUIRES usb
+                       PRIV_REQUIRES ${priv_requires}
                        REQUIRES unity
                        WHOLE_ARCHIVE)