Move panic handler code from FreeRTOS to esp32 component

diff --git a/components/freertos/include/freertos/panic.h b/components/esp32/include/esp_panic.h
similarity index 100%
rename from components/freertos/include/freertos/panic.h
rename to components/esp32/include/esp_panic.h

diff --git a/components/freertos/panic.c b/components/esp32/panic.c
similarity index 100%
rename from components/freertos/panic.c
rename to components/esp32/panic.c