Eliminates the issue with the lock up in the bootloader due to a power drawdown during its operation. Closes https://github.com/espressif/esp-idf/issues/1814
Signed-off-by: Mahavir Jain <mahavir@espressif.com>
Added functions: rtc_wdt_protect_off/on rtc_wdt_set_length_of_reset_signal rtc_wdt_set_stage rtc_wdt_set_time rtc_wdt_feed rtc_wdt_disable/enable