Added support for OLED with size 64x48
Added support for OLED with size 64x48

SuperHouse/esp-open-rtos,bhuvanchandra/esp-open-rtos,bhuvanchandra/esp-open-rtos,bhuvanchandra/esp-open-rtos,SuperHouse/esp-open-rtos,SuperHouse/esp-open-rtos,SuperHouse/esp-open-rtos,SuperHouse/esp-open-rtos,SuperHouse/esp-open-rtos,bhuvanchandra/esp-open-rtos