arch/xtensa/esp32: Workaround -Wmaybe-uninitialized warning with "GCC 12.2"

Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>

arch/xtensa/src/esp32/Make.defs

@@ -231,6 +231,11 @@ endif
 ifeq ($(CONFIG_ESP32_WIFI),y)
 CHIP_CSRCS += esp32_wlan.c esp32_wifi_utils.c esp32_wifi_adapter.c
 EXTRA_LIBS += -lcore -lnet80211 -lpp -lsmartconfig -lespnow -lwpa_supplicant
+
+GCCVER = $(shell $(CC) --version | grep gcc | sed -r 's/.* ([0-9]+\.[0-9]+).*/\1/')
+ifeq ($(GCCVER),12.2)
+  chip/esp32_wifi_adapter.c_CFLAGS += -Wno-maybe-uninitialized
+endif
 endif
 
 ifeq ($(CONFIG_ESP32_BLE),y)