Fixes errors including:
src/esphome/components/axp192/axp192.cpp: In member function 'void esphome::axp192::AXP192Component::DeepSleep(uint64_t)':
src/esphome/components/axp192/axp192.cpp:355:35: error: 'gpio_num_t' was not declared in this scope
esp_sleep_enable_ext0_wakeup((gpio_num_t)37, LOW);
^
src/esphome/components/axp192/axp192.cpp:355:50: error: 'LOW' was not declared in this scope
esp_sleep_enable_ext0_wakeup((gpio_num_t)37, LOW);
^