cpu/esp32: use optional modules when compiled in CI

To test compilation of optional ESP32 modules, these modules are enabled for the `esp32-wrover-kit` borad when compiled in CI. The use of some of these optional modules depend on the use of other modules.

boards/esp32-wrover-kit/Makefile.dep

@@ -5,4 +5,34 @@ endif
 # Sets up configuration for openocd
 USEMODULE += esp_jtag
 
+# if compiled in CI, optional modules are selected for compile tests
+ifneq (,$(RIOT_CI_BUILD))
+  USEMODULE += esp_idf_heap
+  USEMODULE += esp_log_startup
+  USEMODULE += esp_log_tagged
+  USEMODULE += esp_qemu
+  USEMODULE += esp_spi_ram
+
+  ifneq (,$(filter periph_i2c,$(USEMODULE)))
+    USEMODULE += esp_i2c_hw
+  endif
+
+  ifneq (,$(filter periph_timer,$(USEMODULE)))
+    USEMODULE += esp_hw_counter
+  endif
+
+  ifneq (,$(filter netdev_default,$(USEMODULE)))
+    # if netdev_default is used, we use gnrc modules that are enabled
+    # in different examples to use different esp_wifi modules
+    ifneq (,$(filter gnrc_netif_single,$(USEMODULE)))
+      # if gnrc_netif_single module is enabled, esp_wifi_enterprise is used
+      USEMODULE += esp_wifi_enterprise
+    else
+      # in all other case esp_wifi_ap is enabled
+      USEMODULE += esp_wifi_ap
+    endif
+  endif
+
+endif
+
 include $(RIOTBOARD)/common/esp32/Makefile.dep

boards/esp32-wrover-kit/include/board.h

@@ -125,6 +125,23 @@
 #endif
 /** @} */
 
+#ifndef DOXYGEN
+/**
+ * @name    Default configuration parameters for ESP WiFi Enterprise netdev
+ * @{
+ */
+#ifndef ESP_WIFI_EAP_USER
+/** User name used in phase 2 (inner) EAP authentication. */
+#define ESP_WIFI_EAP_USER   "riot-os@riot-os.org"
+#endif /* ESP_WIFI_EAP_USER */
+
+#ifndef ESP_WIFI_EAP_PASS
+/** Password used in phase 2 (inner) EAP authentication. */
+#define ESP_WIFI_EAP_PASS   "riot-os"
+#endif /* ESP_WIFI_EAP_PASS */
+/** @} */
+#endif /* !DOXYGEN */
+
 /* include common board definitions as last step */
 #include "board_common.h"