esp32/boards/sdkconfig: Disable WDT check of idle task on CPU1.

With dual-core enabled it's possible that the uPy task has full utilisation
of CPU1.  Fixes issue #4673.

ports/esp32/boards/sdkconfig

@@ -13,6 +13,7 @@ CONFIG_LOG_BOOTLOADER_LEVEL_WARN=y
 # ESP32-specific
 CONFIG_ESP32_DEFAULT_CPU_FREQ_240=y
 CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU0=n
+CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU1=n
 CONFIG_ESP32_XTAL_FREQ_AUTO=y
 
 # Power Management

ports/esp32/boards/sdkconfig.spiram

@@ -16,6 +16,7 @@ CONFIG_SPIRAM_SUPPORT=y
 CONFIG_SPIRAM_IGNORE_NOTFOUND=y
 CONFIG_SPIRAM_USE_MEMMAP=y
 CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU0=n
+CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU1=n
 CONFIG_ESP32_XTAL_FREQ_AUTO=y
 
 # Power Management