Entry point call was moved back from main to esp_loader, so it is
called from iram_loader_seg memory region
Signed-off-by: Almir Okato <almir.okato@espressif.com>
Changes on configuration and flash area organization for supporting
multi image and implementation for booting on different processors
on esp32
Signed-off-by: Almir Okato <almir.okato@espressif.com>